17:21:34.189 ERROR c.h.cuba.core.sys.ServiceInterceptor    - Exception: 
org.apache.ibatis.exceptions.PersistenceException: 
### Error updating database.  Cause: org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_exe_parent" on table "act_ru_execution"
  Detail: Key (id_)=(3df2460c-733a-e072-7107-4a51ca706fd4) is still referenced from table "act_ru_execution".
### The error may exist in org/flowable/db/mapping/entity/Execution.xml
### The error may involve org.flowable.engine.impl.persistence.entity.ExecutionEntityImpl.deleteExecution-Inline
### The error occurred while setting parameters
### SQL: delete from ACT_RU_EXECUTION where ID_ = ? and REV_ = ?
### Cause: org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_exe_parent" on table "act_ru_execution"
  Detail: Key (id_)=(3df2460c-733a-e072-7107-4a51ca706fd4) is still referenced from table "act_ru_execution".
	at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) ~[mybatis-3.5.3.jar:3.5.3]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:199) ~[mybatis-3.5.3.jar:3.5.3]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.delete(DefaultSqlSession.java:212) ~[mybatis-3.5.3.jar:3.5.3]
	at org.flowable.common.engine.impl.db.DbSqlSession.flushDeleteEntities(DbSqlSession.java:636) ~[flowable-engine-common-6.5.0.jar:6.5.0]
	at org.flowable.common.engine.impl.db.DbSqlSession.flushDeletes(DbSqlSession.java:593) ~[flowable-engine-common-6.5.0.jar:6.5.0]
	at org.flowable.common.engine.impl.db.DbSqlSession.flush(DbSqlSession.java:360) ~[flowable-engine-common-6.5.0.jar:6.5.0]
	at org.flowable.common.engine.impl.interceptor.CommandContext.flushSessions(CommandContext.java:192) ~[flowable-engine-common-6.5.0.jar:6.5.0]
	at org.flowable.common.engine.impl.interceptor.CommandContext.close(CommandContext.java:61) ~[flowable-engine-common-6.5.0.jar:6.5.0]
	at org.flowable.common.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:81) ~[flowable-engine-common-6.5.0.jar:6.5.0]
	at org.flowable.common.spring.SpringTransactionInterceptor.lambda$execute$0(SpringTransactionInterceptor.java:56) ~[flowable-spring-common-6.5.0.jar:6.5.0]
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140) ~[spring-tx-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.flowable.common.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:56) ~[flowable-spring-common-6.5.0.jar:6.5.0]
	at org.flowable.common.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:35) ~[flowable-engine-common-6.5.0.jar:6.5.0]
	at com.haulmont.addon.bproc.engine.interceptor.BprocAuthenticationInterceptor.execute(BprocAuthenticationInterceptor.java:20) ~[bproc-core-1.1.3.jar:na]
	at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:56) ~[flowable-engine-common-6.5.0.jar:6.5.0]
	at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:51) ~[flowable-engine-common-6.5.0.jar:6.5.0]
	at org.flowable.engine.impl.ProcessMigrationServiceImpl.migrateProcessInstancesOfProcessDefinition(ProcessMigrationServiceImpl.java:67) ~[flowable-engine-6.5.0.jar:6.5.0]
	at org.flowable.engine.impl.migration.ProcessInstanceMigrationBuilderImpl.migrateProcessInstances(ProcessInstanceMigrationBuilderImpl.java:150) ~[flowable-engine-6.5.0.jar:6.5.0]
	at com.haulmont.addon.bproc.service.ProcessInstanceMigrationServiceBean.migrateAllProcessInstances(ProcessInstanceMigrationServiceBean.java:18) ~[bproc-core-1.1.3.jar:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_265]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_265]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_265]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_265]
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) [spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) [spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:88) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at com.haulmont.cuba.core.sys.ServiceInterceptor.aroundInvoke(ServiceInterceptor.java:90) ~[cuba-core-7.2.6.jar:7.2.6]
	at sun.reflect.GeneratedMethodAccessor586.invoke(Unknown Source) ~[na:na]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_265]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_265]
	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:644) [spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:633) [spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70) [spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175) [spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:95) [spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) [spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) [spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at com.sun.proxy.$Proxy401.migrateAllProcessInstances(Unknown Source) [na:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_265]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_265]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_265]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_265]
	at com.haulmont.cuba.core.sys.remoting.LocalServiceInvokerImpl.invoke(LocalServiceInvokerImpl.java:94) [cuba-core-7.2.6.jar:7.2.6]
	at com.haulmont.cuba.web.sys.remoting.LocalServiceProxy$LocalServiceInvocationHandler.invoke(LocalServiceProxy.java:159) [cuba-web-7.2.6.jar:7.2.6]
	at com.sun.proxy.$Proxy90.migrateAllProcessInstances(Unknown Source) [na:na]
	at com.haulmont.addon.bproc.web.screens.processinstancemigration.ProcessInstanceMigrationScreen.migrateAllProcessInstances(ProcessInstanceMigrationScreen.java:111) [bproc-web-1.1.3.jar:na]
	at com.haulmont.addon.bproc.web.screens.processinstancemigration.ProcessInstanceMigrationScreen.onMigrateBtnClick(ProcessInstanceMigrationScreen.java:98) [bproc-web-1.1.3.jar:na]
	at com.haulmont.bali.events.EventHub.publish(EventHub.java:170) ~[cuba-global-7.2.6.jar:7.2.6]
	at com.haulmont.cuba.web.gui.components.WebAbstractComponent.publish(WebAbstractComponent.java:100) ~[cuba-web-7.2.6.jar:7.2.6]
	at com.haulmont.cuba.web.gui.components.WebButton.buttonClicked(WebButton.java:70) ~[cuba-web-7.2.6.jar:7.2.6]
	at com.haulmont.cuba.web.widgets.CubaButton.fireClick(CubaButton.java:76) ~[cuba-web-widgets-7.2.6.jar:na]
	at com.vaadin.ui.Button$1.click(Button.java:57) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at sun.reflect.GeneratedMethodAccessor1543.invoke(Unknown Source) ~[na:na]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_265]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_265]
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:153) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:115) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:431) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:396) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:260) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:82) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:40) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1578) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:425) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.serviceAppRequest(CubaApplicationServlet.java:329) ~[cuba-web-7.2.6.jar:7.2.6]
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.service(CubaApplicationServlet.java:215) ~[cuba-web-7.2.6.jar:7.2.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) ~[servlet-api.jar:na]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[catalina.jar:9.0.27]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[catalina.jar:9.0.27]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-websocket.jar:9.0.27]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[catalina.jar:9.0.27]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[catalina.jar:9.0.27]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:108) ~[spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:74) ~[spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at com.haulmont.cuba.web.sys.CubaHttpFilter.doFilter(CubaHttpFilter.java:93) ~[cuba-web-7.2.6.jar:7.2.6]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[catalina.jar:9.0.27]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[catalina.jar:9.0.27]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) ~[catalina.jar:9.0.27]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) ~[catalina.jar:9.0.27]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526) ~[catalina.jar:9.0.27]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) ~[catalina.jar:9.0.27]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[catalina.jar:9.0.27]
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678) ~[catalina.jar:9.0.27]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[catalina.jar:9.0.27]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) ~[catalina.jar:9.0.27]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) ~[tomcat-coyote.jar:9.0.27]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) ~[tomcat-coyote.jar:9.0.27]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) ~[tomcat-coyote.jar:9.0.27]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1579) ~[tomcat-coyote.jar:9.0.27]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-coyote.jar:9.0.27]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_265]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_265]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-util.jar:9.0.27]
	at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_265]
Caused by: org.postgresql.util.PSQLException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_exe_parent" on table "act_ru_execution"
  Detail: Key (id_)=(3df2460c-733a-e072-7107-4a51ca706fd4) is still referenced from table "act_ru_execution".
	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2505) ~[postgresql-42.2.9.jar:42.2.9]
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2241) ~[postgresql-42.2.9.jar:42.2.9]
	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:310) ~[postgresql-42.2.9.jar:42.2.9]
	at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:447) ~[postgresql-42.2.9.jar:42.2.9]
	at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:368) ~[postgresql-42.2.9.jar:42.2.9]
	at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:158) ~[postgresql-42.2.9.jar:42.2.9]
	at org.postgresql.jdbc.PgPreparedStatement.execute(PgPreparedStatement.java:147) ~[postgresql-42.2.9.jar:42.2.9]
	at com.zaxxer.hikari.pool.ProxyPreparedStatement.execute(ProxyPreparedStatement.java:44) ~[HikariCP-3.4.1.jar:na]
	at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.execute(HikariProxyPreparedStatement.java) ~[HikariCP-3.4.1.jar:na]
	at com.haulmont.cuba.core.sys.jdbc.ProxyPreparedStatement.lambda$execute$2(ProxyPreparedStatement.java:44) ~[cuba-core-7.2.6.jar:7.2.6]
	at com.haulmont.cuba.core.sys.jdbc.ProxyStatement.executeSqlStatement(ProxyStatement.java:257) ~[cuba-core-7.2.6.jar:7.2.6]
	at com.haulmont.cuba.core.sys.jdbc.ProxyPreparedStatement.execute(ProxyPreparedStatement.java:44) ~[cuba-core-7.2.6.jar:7.2.6]
	at sun.reflect.GeneratedMethodAccessor429.invoke(Unknown Source) ~[na:na]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_265]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_265]
	at org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:59) ~[mybatis-3.5.3.jar:3.5.3]
	at com.sun.proxy.$Proxy455.execute(Unknown Source) ~[na:na]
	at org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:47) ~[mybatis-3.5.3.jar:3.5.3]
	at org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:74) ~[mybatis-3.5.3.jar:3.5.3]
	at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:50) ~[mybatis-3.5.3.jar:3.5.3]
	at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117) ~[mybatis-3.5.3.jar:3.5.3]
	at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76) ~[mybatis-3.5.3.jar:3.5.3]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:197) ~[mybatis-3.5.3.jar:3.5.3]
	... 93 common frames omitted
17:21:34.203 ERROR com.haulmont.cuba.web.log.AppLog        - Exception in com.haulmont.cuba.web.widgets.CubaButton: 
com.vaadin.server.ServerRpcManager$RpcInvocationException: Unable to invoke method click in com.vaadin.shared.ui.button.ButtonServerRpc
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:157) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:115) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:431) [vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:396) [vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:260) [vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:82) [vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:40) [vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1578) [vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:425) [vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.serviceAppRequest(CubaApplicationServlet.java:329) [cuba-web-7.2.6.jar:7.2.6]
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.service(CubaApplicationServlet.java:215) [cuba-web-7.2.6.jar:7.2.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) [servlet-api.jar:na]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) [catalina.jar:9.0.27]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.27]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) [tomcat-websocket.jar:9.0.27]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.27]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.27]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:108) [spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:74) [spring-web-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at com.haulmont.cuba.web.sys.CubaHttpFilter.doFilter(CubaHttpFilter.java:93) [cuba-web-7.2.6.jar:7.2.6]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.27]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.27]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) [catalina.jar:9.0.27]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [catalina.jar:9.0.27]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526) [catalina.jar:9.0.27]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) [catalina.jar:9.0.27]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [catalina.jar:9.0.27]
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678) [catalina.jar:9.0.27]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) [catalina.jar:9.0.27]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [catalina.jar:9.0.27]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) [tomcat-coyote.jar:9.0.27]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-coyote.jar:9.0.27]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) [tomcat-coyote.jar:9.0.27]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1579) [tomcat-coyote.jar:9.0.27]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-coyote.jar:9.0.27]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_265]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_265]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:9.0.27]
	at java.lang.Thread.run(Thread.java:748) [na:1.8.0_265]
Caused by: java.lang.reflect.InvocationTargetException: null
	at sun.reflect.GeneratedMethodAccessor1543.invoke(Unknown Source) ~[na:na]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_265]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_265]
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:153) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	... 38 common frames omitted
Caused by: com.haulmont.cuba.core.global.RemoteException: ERROR: update or delete on table "act_ru_execution" violates foreign key constraint "act_fk_exe_parent" on table "act_ru_execution"
  Detail: Key (id_)=(3df2460c-733a-e072-7107-4a51ca706fd4) is still referenced from table "act_ru_execution".
	at com.haulmont.cuba.core.sys.ServiceInterceptor.aroundInvoke(ServiceInterceptor.java:96) ~[na:na]
	at sun.reflect.GeneratedMethodAccessor586.invoke(Unknown Source) ~[na:na]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_265]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_265]
	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:644) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:633) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:95) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.2.3.RELEASE.jar:5.2.3.RELEASE]
	at com.sun.proxy.$Proxy401.migrateAllProcessInstances(Unknown Source) ~[na:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_265]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_265]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_265]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_265]
	at com.haulmont.cuba.core.sys.remoting.LocalServiceInvokerImpl.invoke(LocalServiceInvokerImpl.java:94) ~[na:na]
	at com.haulmont.cuba.web.sys.remoting.LocalServiceProxy$LocalServiceInvocationHandler.invoke(LocalServiceProxy.java:159) ~[cuba-web-7.2.6.jar:7.2.6]
	at com.sun.proxy.$Proxy90.migrateAllProcessInstances(Unknown Source) ~[na:na]
	at com.haulmont.addon.bproc.web.screens.processinstancemigration.ProcessInstanceMigrationScreen.migrateAllProcessInstances(ProcessInstanceMigrationScreen.java:111) ~[bproc-web-1.1.3.jar:na]
	at com.haulmont.addon.bproc.web.screens.processinstancemigration.ProcessInstanceMigrationScreen.onMigrateBtnClick(ProcessInstanceMigrationScreen.java:98) ~[bproc-web-1.1.3.jar:na]
	at com.haulmont.bali.events.EventHub.publish(EventHub.java:170) ~[cuba-global-7.2.6.jar:7.2.6]
	at com.haulmont.cuba.web.gui.components.WebAbstractComponent.publish(WebAbstractComponent.java:100) ~[cuba-web-7.2.6.jar:7.2.6]
	at com.haulmont.cuba.web.gui.components.WebButton.buttonClicked(WebButton.java:70) ~[cuba-web-7.2.6.jar:7.2.6]
	at com.haulmont.cuba.web.widgets.CubaButton.fireClick(CubaButton.java:76) ~[cuba-web-widgets-7.2.6.jar:na]
	at com.vaadin.ui.Button$1.click(Button.java:57) ~[vaadin-server-8.9.2-13-cuba.jar:8.9.2-13-cuba]
	... 42 common frames omitted