How To Fix /SAPAPO/CTM1406 - RFC error. (Call: &1; error group: &2; key: &3; message: &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 406

• Message text: RFC error. (Call: &1; error group: &2; key: &3; message: &4)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM1406 - RFC error. (Call: &1; error group: &2; key: &3; message: &4) ?

  The SAP error message /SAPAPO/CTM1406 is related to the SAP Advanced Planning and Optimization (APO) module, specifically in the context of the Capable-to-Match (CTM) functionality. This error typically indicates an issue with the Remote Function Call (RFC) during the execution of a CTM process.
  Cause:
  The error message /SAPAPO/CTM1406 can occur due to several reasons, including:
  
  RFC Connection Issues: There may be problems with the RFC connection between the systems involved (e.g., between the APO system and the ERP system).
  Data Inconsistencies: There could be inconsistencies or missing data in the master data or transaction data that the CTM process relies on.
  Configuration Issues: Incorrect configuration settings in the CTM or APO settings can lead to this error.
  Authorization Issues: The user executing the CTM process may not have the necessary authorizations to perform the required actions.
  System Performance: Performance issues or timeouts during the execution of the CTM process can also trigger this error.
  
  Solution:
  To resolve the /SAPAPO/CTM1406 error, you can take the following steps:
  
  
  Check RFC Connections:
  
  Verify that the RFC connections between the systems are correctly configured and active. Use transaction SM59 to check the status of the RFC connections.
  
  
  
  Review Logs:
  
  Check the application logs for more detailed error messages. You can use transaction SLG1 to view the logs related to the CTM process.
  
  
  
  Data Consistency:
  
  Ensure that all necessary master data (e.g., materials, resources, and production versions) and transaction data (e.g., planned orders) are consistent and available.
  
  
  
  Configuration Review:
  
  Review the CTM configuration settings in the APO system to ensure they are set up correctly. This includes checking the CTM profile and planning area settings.
  
  
  
  User Authorizations:
  
  Verify that the user executing the CTM process has the necessary authorizations. You can check this using transaction SU53 after the error occurs.
  
  
  
  Performance Monitoring:
  
  Monitor system performance to ensure that there are no bottlenecks or timeouts. You can use transaction ST22 to check for dumps or SM21 for system logs.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59 - RFC Destinations
  SLG1 - Application Log
  ST22 - Dump Analysis
  SM21 - System Log
  SU53 - Authorization Check
  
  
  
  SAP Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance, providing them with the error details and any relevant logs.
  
  
  By following these steps, you should be able to diagnose and resolve the /SAPAPO/CTM1406 RFC error effectively.