How To Fix /SCMB/TMMD207 - Check failed for &1 of &2 unique keys of table &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/TMMD -

• Message number: 207

• Message text: Check failed for &1 of &2 unique keys of table &3

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 /SCMB/TMMD207 - Check failed for &1 of &2 unique keys of table &3 ?

  The SAP error message /SCMB/TMMD207 Check failed for &1 of &2 unique keys of table &3 typically indicates an issue related to data integrity in the SAP system, specifically within the context of the Supply Chain Management (SCM) module. This error suggests that there is a problem with unique key constraints in a database table, which means that the system is trying to insert or update a record that would violate the uniqueness requirement of that table.
  Cause:
  
  Duplicate Entries: The most common cause of this error is the presence of duplicate entries in the database table that is supposed to maintain unique keys.
  Data Migration Issues: If data has been migrated from another system or if there have been bulk uploads, it is possible that duplicates were introduced.
  Incorrect Configuration: Misconfiguration in the system settings or in the data model can lead to attempts to create duplicate records.
  Concurrent Processing: If multiple processes are trying to insert or update records simultaneously, it may lead to conflicts.
  
  Solution:
  
  Identify Duplicates: Use SQL queries or SAP transaction codes (like SE11 for data dictionary) to check for existing duplicate entries in the specified table.
  Data Cleanup: If duplicates are found, you will need to clean up the data by either deleting or merging the duplicate records, ensuring that the unique key constraints are respected.
  Review Data Migration: If the error occurred after a data migration, review the migration process to ensure that it correctly handled unique constraints.
  Check Configuration: Review the configuration settings related to the table and ensure that they are set up correctly to prevent duplicates.
  Locking Mechanisms: If concurrent processing is an issue, consider implementing locking mechanisms or adjusting the transaction handling to prevent simultaneous updates that could lead to conflicts.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SE11 (Data Dictionary), SE16 (Data Browser), or SE37 (Function Module) to investigate the issue further.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Debugging: If you have access to debugging tools, you can trace the execution of the program that triggered the error to identify the exact point of failure.
  Consult Documentation: Review the official SAP documentation for the SCM module to understand the specific table and its constraints.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further assistance.