How To Fix /MVA/AMR_PM_ERRORS300 - Entries not unique in table &1 for key = &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: /MVA/AMR_PM_ERRORS -

• Message number: 300

• Message text: Entries not unique in table &1 for key = &2.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /MVA/AMR_PM_ERRORS300 - Entries not unique in table &1 for key = &2. ?

  The SAP error message /MVA/AMR_PM_ERRORS300 Entries not unique in table &1 for key = &2 typically indicates that there are multiple entries in a specific database table that share the same key value, which is expected to be unique. This can lead to issues in data processing, as the system cannot determine which entry to use.
  
  Cause:
  
  
  Data Integrity Issues: The most common cause of this error is data integrity problems, where the uniqueness constraint on a table is violated. This can happen due to:
  
  Incorrect data entry or duplication of records.
  Issues during data migration or import processes.
  Bugs in custom programs or enhancements that manipulate the data.
  
  
  
  Configuration Errors: Sometimes, incorrect configuration settings in the system can lead to unexpected behavior, causing multiple entries to be created for the same key.
  
  
  
  Solution:
  
  
  Identify Duplicate Entries:
  
  Use transaction codes like SE16 or SE11 to access the relevant table (indicated by &1 in the error message).
  Execute a query to