Order to AR (credit memo)

We are not able to generat a Credit memo from OM to AR.

Workflow fail with following. Any tips?

Name Invoice Interface - Eligible Internal Name INVOICE_INTERFACE_ELIGIBLE Type Function Description Invoice Interface - Eligible Activity Version 12 Result Type Default Activity Result Message Name Expand Roles No Function Type PL/SQL Function OE_STANDARD_WF.STANDARD_BLOCK On Loop Revisit Loop Cost 0 Function activity cost in seconds. Error Workflow OM Error Error Process R_ERROR_RETRY Start/End Node Performer Role Type Constant Performer Role Performer role or internal workflow attribute name. Developer Comment Timeout 720 N minutes or internal workflow attribute name.