Error Message: 3120: Activity 'OEOH/xxxx' has no performer

Please note that when you select the RMA workflow in Oracle Order Management as "Return with approval ", then you have to set the profile option


OM: Notification Approver .
Other wise while processing RMA Header you will get "Error Message: 3120: Activity 'OEOH/xxxx' has no performer".
and workflow for RMA header will stuck.