How To Fix WG040 - Requested doc. cat. & not allowed. External req. no. &, mat. no. &

WG040 - Overview

• Message type: E = Error

• Message class: WG - Messages for store order and investment buy

• Message number: 040

• Message text: Requested doc. cat. & not allowed. External req. no. &, mat. no. &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WG040 - Requested doc. cat. & not allowed. External req. no. &, mat. no. & ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WG040 Requested doc. cat. & not allowed. External req. no. &, mat. no. &
  
  Meaning / 
  Cause:
  This error occurs in the Goods Receipt for Purchase Order process (usually in transaction MIGO or related MM transactions) when the requested document category (doc. cat.) is not allowed for the given external requisition number and material number combination.
  In other words, the system is trying to post a goods receipt or related document with a document category that is not permitted for the referenced purchase requisition or material. This can happen if:
  
  The document category (e.g., 'F' for invoice, 'G' for goods receipt) is not valid for the purchase requisition or purchase order item.
  The external requisition number (purchase requisition number) and material number combination does not allow the requested document category.
  There might be a mismatch or inconsistency in the document flow or configuration.
  The material or