How To Fix C$543 - Specification &1 with key &2 already exists in the system

C$543 - Overview

• Message type: E = Error

• Message class: C$ -

• Message number: 543

• Message text: Specification &1 with key &2 already exists in the system

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 C$543 - Specification &1 with key &2 already exists in the system ?

  The SAP error message C$543 indicates that there is an attempt to create or modify a specification (such as a material specification, recipe, or similar object) in the system, but a specification with the same key already exists. This can occur in various modules, particularly in the context of Product Lifecycle Management (PLM) or Material Management (MM).
  
  Cause:
  
  Duplicate Entry: The most common cause is that the specification you are trying to create or modify already exists in the system with the same key (e.g., specification number, material number).
  Incorrect Data Entry: There may have been a mistake in the data entry process, leading to an attempt to create a duplicate specification.
  Data Migration Issues: If data was migrated from another system, it’s possible that duplicates were created during the migration process.
  
  
  Solution:
  
  Check Existing Specifications: Before creating a new specification, check the existing specifications in the system using the relevant transaction code (e.g., C202 for