How To Fix /CUM/MSG105 - Compatible unit & already exists

/CUM/MSG105 - Overview

• Message type: E = Error

• Message class: /CUM/MSG -

• Message number: 105

• Message text: Compatible unit & already exists

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 /CUM/MSG105 - Compatible unit & already exists ?

  The SAP error message /CUM/MSG105 Compatible unit & already exists typically occurs in the context of SAP's Customer Management (CUM) module, particularly when dealing with compatible units (CUs) in the system. This error indicates that you are trying to create or register a compatible unit that already exists in the system.
  
  Cause:
  
  
  Duplicate Entry: The most common cause of this error is that the compatible unit you are trying to create has already been defined in the system. This could happen if:
  
  You are attempting to create a CU with the same identifier or key as an existing one.
  There was a previous attempt to create the CU that was not properly completed, leaving a residual entry.
  
  
  
  Data Consistency Issues: Sometimes, inconsistencies in the database or issues during data migration can lead to duplicate entries.
  
  
  
  Solution:
  
  
  Check Existing Compatible Units: 
  
  Use transaction codes like CUM1 or CUM2 to view existing compatible units. Search for the CU you