How To Fix CMES103 - Operation does not exist in external system

SAP Error Message - Details

• Message type: E = Error

• Message class: CMES - External Scheduling Interface CS-SDL

• Message number: 103

• Message text: Operation does not exist in external 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMES103 - Operation does not exist in external system ?

  The SAP error message CMES103, which states "Operation does not exist in external system," typically occurs in the context of integration scenarios where SAP is trying to communicate with an external system (like a third-party application or service) and cannot find the specified operation or function.
  Causes:
  
  Incorrect Configuration: The operation being called may not be correctly configured in the external system. This could be due to a missing or incorrectly defined service endpoint.
  Invalid Operation Name: The operation name specified in the SAP system may not match any operation defined in the external system.
  Authorization Issues: The user or system may not have the necessary permissions to access the operation in the external system.
  Network Issues: There may be connectivity issues between the SAP system and the external system, preventing the operation from being recognized.
  Version Mismatch: The external system may have been updated or changed, and the operation may have been removed or renamed.
  
  Solutions:
  
  Check Configuration: Verify the configuration settings in both the SAP system and the external system. Ensure that the operation is correctly defined and accessible.
  Validate Operation Name: Double-check the operation name being called in the SAP system. Ensure it matches exactly with what is defined in the external system.
  Review Authorizations: Ensure that the user or service account being used has the necessary permissions to access the operation in the external system.
  Test Connectivity: Use tools like ping or telnet to check the network connectivity between the SAP system and the external system. Ensure that firewalls or network policies are not blocking access.
  Consult Documentation: Review the documentation for both the SAP system and the external system to ensure compatibility and correct usage of operations.
  Check for Updates: If the external system has been updated, check for any changes in the API or service definitions that may affect the operation.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the CMES103 error.
  Integration Tools: If using middleware (like SAP PI/PO, SAP CPI), ensure that the integration flow is correctly set up and that the mappings are accurate.
  Logs and Traces: Review logs and traces in both the SAP system and the external system for more detailed error messages that can provide additional context.
  Support: If the issue persists, consider reaching out to SAP support or the support team for the external system for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the CMES103 error in your SAP environment.