SAP Message 5W017 - Element &1 referenced object type &2, which cannot be edited.

Diagnosis
Element &V1& of the Workflow container referenced an object of typeV2. this type of object cannot be edited in this customer/standardtask.

Procedure
Please check the definition of element &v1& in the Workflow container.
If necessary, you can delete the event and create it again with anotherobject type.