How To Fix SDDL_PARSER_MSG251 - Field &1 already used in the ON condition of the composition definition

SDDL_PARSER_MSG251 - Overview

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 251

• Message text: Field &1 already used in the ON condition of the composition definition

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 SDDL_PARSER_MSG251 - Field &1 already used in the ON condition of the composition definition ?

  The SAP error message SDDL_PARSER_MSG251 indicates that there is a problem with the definition of a composition in the SAP system, specifically related to the use of fields in the ON condition of the composition definition. This error occurs when a field is being used more than once in the ON condition, which is not allowed.
  
  Cause:
  The error is caused by the following:
  
  A field (denoted as &1 in the error message) is included multiple times in the ON condition of a composition definition. This can happen if the same field is mistakenly referenced more than once, or if there is a misunderstanding of how to structure the ON condition.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Composition Definition:
  
  Go to the relevant transaction or area in SAP where the composition definition is maintained.
  Check the ON condition of the composition definition for duplicate field references.
  
  
  
  Remove Duplicate Fields:
  
  If you find that