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

SAP Error Message - Details

• 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

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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.

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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 entered in the relevant fields. Double-check for any typos or formatting issues.
  Verify Document Existence: Use transaction codes like ME23N (Display Purchase Order) to verify that the document number exists and is active in the system.
  Consult Documentation: If you are referencing an external document, ensure that you have the correct document number and item number as per the external system or source.
  User Authorization: Check if you have the necessary permissions to access the document. If not, contact your SAP administrator to grant the required access.
  System Configuration: If the issue persists, it may be necessary to consult with your SAP support team to check for any configuration issues or system errors.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME23N (Display Purchase Order), ME21N (Create Purchase Order), and ME22N (Change Purchase Order) to navigate and verify documents.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  User Manuals: Refer to user manuals or training materials specific to your organization’s SAP implementation for guidance on handling purchasing documents.
  
  If the problem continues after following these steps, it may be beneficial to escalate the issue to your SAP support team for further investigation.