How To Fix /ACCGO/UIS_MSG501 - Entered vendor &1 did not match purchase order vendor &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/UIS_MSG -

• Message number: 501

• Message text: Entered vendor &1 did not match purchase order vendor &2

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /ACCGO/UIS_MSG501 - Entered vendor &1 did not match purchase order vendor &2 ?

  The SAP error message /ACCGO/UIS_MSG501 indicates a mismatch between the vendor entered in a transaction and the vendor associated with the purchase order (PO). This error typically occurs during the process of goods receipt or invoice verification when the system checks that the vendor on the document matches the vendor on the corresponding purchase order.
  Cause:
  
  Vendor Mismatch: The vendor you entered in the transaction does not match the vendor specified in the purchase order.
  Incorrect Purchase Order: The purchase order may have been created with a different vendor than the one you are trying to use.
  Data Entry Error: There may have been a typographical error when entering the vendor number.
  Vendor Changes: The vendor may have been changed or updated in the system after the purchase order was created.
  
  Solution:
  
  Verify Vendor Information: Check the vendor number you entered and ensure it is correct. Compare it with the vendor number in the purchase order.
  Check Purchase Order: Review the purchase order to confirm the correct vendor is listed. You can do this by navigating to the purchase order in SAP and checking the vendor details.
  Correct the Transaction: If you find that the vendor is incorrect in your transaction, correct it to match the vendor on the purchase order.
  Update Purchase Order: If the vendor has legitimately changed and you need to update the purchase order, you may need to modify the purchase order to reflect the new vendor. This typically requires appropriate authorization.
  Consult with Procurement: If there are discrepancies that cannot be resolved, consult with your procurement or purchasing department to clarify the correct vendor for the transaction.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like ME23N (Display Purchase Order) to view the purchase order details and confirm the vendor.
  Authorization: Ensure you have the necessary permissions to view and modify purchase orders if needed.
  Documentation: Refer to your organization's documentation or SAP help resources for specific procedures related to vendor management and purchase orders.
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional context or solutions.
  
  By following these steps, you should be able to resolve the error and proceed with your transaction.