MDG_S workflow

Hi

As even after matainance of IMG. acivity (Assign Processor to Change Request Step Number (Simple Workflow)), change request is saved but it is not triggering any workflow . All workflow pre -requsites are already dome. Workflow is working for MDG-F on same instance.

Is below customization is mandetory for MDG_S?

Assign Processor to Change Request Step Number in BRFplus for Supplier