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

SAP Error Message - Details

• 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.

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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 specifications). Look for the specification with the same key.
  Modify Existing Specification: If the specification already exists and you need to make changes, consider modifying the existing specification instead of creating a new one.
  Use a Different Key: If you need to create a new specification, ensure that you are using a unique key that does not conflict with existing entries.
  Consult Documentation: Review the documentation or guidelines for creating specifications in your organization to ensure compliance with naming conventions and key assignments.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with a functional expert who can provide assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing specifications, such as C202 (Display Specifications), C201 (Create Specifications), and C203 (Change Specifications).
  Authorization: Ensure that you have the necessary authorizations to create or modify specifications in the system.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or solutions.
  System Logs: Review system logs for any additional error messages or warnings that may provide context for the issue.
  
  By following these steps, you should be able to address the C$543 error message effectively.