How To Fix /MOC/CONFIG129 - Document type &1 is already assigned to document schema

/MOC/CONFIG129 - Overview

• Message type: E = Error

• Message class: /MOC/CONFIG -

• Message number: 129

• Message text: Document type &1 is already assigned to document schema

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 /MOC/CONFIG129 - Document type &1 is already assigned to document schema ?

  The SAP error message /MOC/CONFIG129 Document type &1 is already assigned to document schema typically occurs in the context of document management or configuration settings within the SAP system. This error indicates that the document type you are trying to assign to a document schema is already linked to another document schema, which prevents you from making the assignment you intended.
  
  Cause:
  
  Duplicate Assignment: The document type you are trying to assign is already associated with a different document schema.
  Configuration Error: There may be a misconfiguration in the document management settings where the same document type is inadvertently linked to multiple schemas.
  System Constraints: SAP enforces certain constraints to maintain data integrity, and this error is a result of those constraints.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Existing Assignments:
  
  Go to the configuration settings for document types and schemas in SAP.
  Verify which document schema the document type is currently assigned to. You