How To Fix MPD518 - Document &1: data matches, or link already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: MPD - Message Class for A&D MPD

• Message number: 518

• Message text: Document &1: data matches, or link already exists

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 MPD518 - Document &1: data matches, or link already exists ?

  The SAP error message MPD518 ("Document &1: data matches, or link already exists") typically occurs in the context of document management or when trying to create a link between documents in SAP. This error indicates that the system has detected that the data you are trying to enter already exists in the database, or that a link you are trying to create is already established.
  Causes:
  
  Duplicate Data: The document or data you are trying to create or link already exists in the system.
  Existing Link: You are attempting to create a link between documents that has already been established.
  Data Integrity Checks: The system has built-in checks to prevent duplicate entries or links to maintain data integrity.
  
  Solutions:
  
  
  Check for Existing Documents: Before creating a new document or link, verify if the document already exists in the system. You can do this by searching for the document using its unique identifier or other relevant criteria.
  
  
  Review Existing Links: If you are trying to create a link, check if the link already exists. You can do this by reviewing the document relationships in the document management system.
  
  
  Modify Existing Entries: If you find that the document or link already exists, consider modifying the existing entry instead of creating a new one.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling document management and linking processes.
  
  
  Error Handling: If you believe this error is occurring incorrectly (e.g., due to a system bug), consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or updates related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes that pertain to document management in SAP, such as CV01N (Create Document), CV02N (Change Document), and CV03N (Display Document).
  User Permissions: Ensure that you have the necessary permissions to create or link documents in the system, as permission issues can sometimes lead to unexpected errors.
  
  By following these steps, you should be able to identify the cause of the MPD518 error and take appropriate action to resolve it.