CWWBU0320W
The ''0'' process instance of the ''1'' template, which is valid from ''2'', is already on the currently valid process template or the currently valid process template has no process instance migration specification for this process template. No migration is possible.
Explanation
No additional information is available.
User response
If there is no migration specification to the latest version for your process, you need to create a new version which includes such a definition.