How To Fix USMD2_MAC001 - Selection result is not unique: &1 results were found

USMD2_MAC001 - Overview

• Message type: E = Error

• Message class: USMD2_MAC -

• Message number: 001

• Message text: Selection result is not unique: &1 results were found

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 USMD2_MAC001 - Selection result is not unique: &1 results were found ?

  The SAP error message USMD2_MAC001 indicates that a selection operation has returned multiple results when only a single result was expected. This typically occurs in the context of data management or data migration processes, particularly when using the SAP Master Data Governance (MDG) module.
  
  Cause:
  The error arises when a query or selection criteria used in a process (like data validation, data replication, or data migration) results in multiple entries being found in the database, but the system expects only one unique entry. This can happen due to:
  
  Duplicate Data: There may be duplicate records in the database that match the selection criteria.
  Incorrect Selection Criteria: The criteria used to filter the data may not be specific enough to return a unique result.
  
  Configuration Issues: There may be issues with the configuration of the data model or the governance process that leads to ambiguity in the selection.
  
  
  Solution:
  To resolve the error, you can take the following