SO: Error in Delete MDONS service flow which causes No such property error

When MDONS service is deleted, the operation fails in BPMN flow with "No such property" error. Following are the error logs:

2020-05-28T09:33:56.797Z||o.o.s.b.i.scripts.DoDeleteE2EServiceInstance - ***** Inside postDecomposeService() of delete generic e2e service flow *****
2020-05-28T09:33:56.852Z||o.o.s.b.i.scripts.DoDeleteE2EServiceInstance - Bpmn error encountered in create generic e2e service flow. processDecomposition() - No such property: deleteRealResourceList for class: org.onap.so.bpmn.infrastructure.scripts.DoDeleteE2EServiceInstance
2020-05-28T09:33:56.853Z||org.onap.so.bpmn.common.scripts.ExceptionUtil - Building a WorkflowException for Subflow DoDeleteE2EServiceInstance
2020-05-28T09:33:56.854Z||org.onap.so.bpmn.common.scripts.ExceptionUtil - Outgoing WorkflowException is WorkflowException[processKey=DoDeleteE2EServiceInstance,errorCode=7000,errorMessage=Bpmn error encountered in create generic e2e service flow. processDecomposition() - No such property: deleteRealResourceList for class: org.onap.so.bpmn.infrastructure.scripts.DoDeleteE2EServiceInstance,workStep=*,extSystemErrorSource=null]
2020-05-28T09:33:56.855Z||org.onap.so.bpmn.common.scripts.ExceptionUtil - Throwing MSOWorkflowException
2020-05-28T09:33:56.859Z||org.onap.so.bpmn.common.scripts.ExceptionUtil - Caught a Java Exception in DoDeleteE2EServiceInstance
2020-05-28T09:33:56.859Z||org.onap.so.bpmn.common.scripts.ExceptionUtil - Started processJavaException Method
2020-05-28T09:33:56.860Z||org.onap.so.bpmn.common.scripts.ExceptionUtil - Java Error: Catch a Java Lang Exception in DoDeleteE2EServiceInstance
2020-05-28T09:33:56.860Z||org.onap.so.bpmn.common.scripts.ExceptionUtil - Building a WorkflowException for DoDeleteE2EServiceInstance
2020-05-28T09:33:56.861Z||org.onap.so.bpmn.common.scripts.ExceptionUtil - Outgoing WorkflowException is WorkflowException[processKey=DoDeleteE2EServiceInstance,errorCode=2500,errorMessage=Catch a Java Lang Exception in DoDeleteE2EServiceInstance,workStep=*,extSystemErrorSource=null]
2020-05-28T09:33:56.861Z||org.onap.so.bpmn.common.scripts.ExceptionUtil - Completed processJavaException Method