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.

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 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