How To Fix MEPO843 - When referencing external document, enter document number and item number

MEPO843 - Overview

• Message type: E = Error

• Message class: MEPO - New Purchase Order Dialog

• Message number: 843

• Message text: When referencing external document, enter document number and item number

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 MEPO843 - When referencing external document, enter document number and item number ?

  The SAP error message MEPO843 typically occurs in the context of purchasing documents, particularly when dealing with external documents such as purchase orders or contracts. This error indicates that the system requires both a document number and an item number to process the request, but one or both of these values are missing or incorrectly entered.
  
  Cause:
  
  Missing Document Number or Item Number: The most common cause is that either the document number or the item number is not provided in the transaction.
  Incorrect Format: The document number or item number may be in an incorrect format or not match the expected values in the system.
  Document Not Found: The document number entered may not exist in the system, or it may have been deleted or archived.
  Authorization Issues: Sometimes, the user may not have the necessary permissions to access the document.
  
  
  Solution:
  
  Check Input Fields: Ensure that both the document number and item number are correctly