Sending the signal to start a task that is in in Sub-process Adhoc, the task does not start - RHPAM

Issue

• When sending the signal to start a task that is in in Sub-process Adhoc, the task does not start and is possible to see the following error

19:01:44,002 DEBUG [org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl] (EE-ManagedThreadFactory-default-Thread-1) Signal f087602f-1524-4922-9df7-c47236f20636 received with data null in process instance 22
19:01:44,002 WARN  [org.drools.persistence.PersistableRunner] (EE-ManagedThreadFactory-default-Thread-1) Could not commit session: java.lang.NullPointerException
    at deployment.ROOT.war//org.jbpm.workflow.instance.node.CompositeNodeInstance.useAsync(CompositeNodeInstance.java:438)
    at deployment.ROOT.war//org.jbpm.workflow.instance.node.CompositeNodeInstance.getNodeInstance(CompositeNodeInstance.java:271)
    at deployment.ROOT.war//org.jbpm.workflow.instance.node.AsyncEventNodeInstance.getFrom(AsyncEventNodeInstance.java:98)
    at deployment.ROOT.war//org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:414)
    at deployment.ROOT.war//org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:392)
    at deployment.ROOT.war//org.jbpm.workflow.instance.node.AsyncEventNodeInstance.triggerCompleted(AsyncEventNodeInstance.java:122)
    at deployment.ROOT.war//org.jbpm.workflow.instance.node.AsyncEventNodeInstance$AsyncExternalEventListener.signalEvent(AsyncEventNodeInstance.java:137)