You may receive the following eConnect error when attempting to perform a Receiving Transaction.
Error Number = 12013 Stored Procedure = taPopRcptLineInsert Error Description = There is an active Purchase Order Approval workflow.
Microsoft explains the cause of this error message in the following article:
We recommend that you file a ticket with Microsoft or your GP Partner in order to address the error. However, we have had customers report successfully resolving this issue by changing the value in the The Workflow_Status column, in POP10100, from 0 to 9.