How To Fix MDG_ID_MATCH_API_BS003 - A fatal internal error occurred in the key mapping API (method &1)

MDG_ID_MATCH_API_BS003 - Overview

• Message type: E = Error

• Message class: MDG_ID_MATCH_API_BS - Messages belonging to Key Mapping

• Message number: 003

• Message text: A fatal internal error occurred in the key mapping API (method &1)

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 MDG_ID_MATCH_API_BS003 - A fatal internal error occurred in the key mapping API (method &1) ?

  The SAP error message MDG_ID_MATCH_API_BS003 indicates that a fatal internal error occurred in the key mapping API, specifically in the method referenced by &1. This error typically arises in the context of SAP Master Data Governance (MDG) when there are issues related to the key mapping of master data objects.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the master data records that the key mapping API is trying to process.
  
  Configuration Issues: Incorrect configuration settings in the MDG system or in the key mapping settings can lead to this error.
  Custom Code: If there are custom enhancements or modifications in the key mapping logic, they might be causing the error.
  System Bugs: There could be bugs in the version of SAP MDG you are using that lead to this error under certain conditions.
  Performance Issues: If the system is under heavy load or if there are performance issues, it might lead to