How To Fix RMDIAG018 - Error in the unique assignment to I73xxxx:

RMDIAG018 - Overview

• Message type: E = Error

• Message class: RMDIAG - RM: Messages from Diagnosis Programs

• Message number: 018

• Message text: Error in the unique assignment to I73xxxx:

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 RMDIAG018 - Error in the unique assignment to I73xxxx: ?

  The SAP error message RMDIAG018 typically indicates an issue with the unique assignment of a specific identifier (in this case, I73xxxx) within the SAP system. This error often arises in the context of data management, particularly when dealing with master data or transactional data that requires unique identifiers.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is the presence of duplicate entries in the database for the specified identifier. This can happen if data was imported or created incorrectly.
  
  Configuration Issues: There may be configuration settings that are not aligned with the expected unique constraints for the identifier.
  Data Migration Issues: If data was migrated from another system, it may not have adhered to the unique constraints required by SAP.
  Custom Development: Custom programs or enhancements may inadvertently create duplicates or fail to enforce uniqueness.
  
  
  Solution:
  
  Identify Duplicates: Use transaction codes like SE16 or SE11 to query the relevant database table and identify any duplicate