Fixing after Flowable upgrade - see https://forum.flowable.org/t/postgresql-cannot-commit-when-autocommit-is-enabled/8343
diff --git a/ext/flowable/flowable-bpmn/src/main/java/org/apache/syncope/core/flowable/support/DomainProcessEngineFactoryBean.java b/ext/flowable/flowable-bpmn/src/main/java/org/apache/syncope/core/flowable/support/DomainProcessEngineFactoryBean.java
index 425fe87..122e391 100644
--- a/ext/flowable/flowable-bpmn/src/main/java/org/apache/syncope/core/flowable/support/DomainProcessEngineFactoryBean.java
+++ b/ext/flowable/flowable-bpmn/src/main/java/org/apache/syncope/core/flowable/support/DomainProcessEngineFactoryBean.java
@@ -87,6 +87,7 @@
         }
         conf.setEnableSafeBpmnXml(true);
         conf.setCustomFormTypes(List.of(new DropdownFormType(null), new PasswordFormType()));
+        conf.setDisableEventRegistry(true);
 
         return conf.buildProcessEngine();
     }