How To Fix CA_TTE_TEST166 - Error during the RFC call TTE_EXECUTE; returncode = &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CA_TTE_TEST - TTE Test Messages

• Message number: 166

• Message text: Error during the RFC call TTE_EXECUTE; returncode = &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CA_TTE_TEST166 - Error during the RFC call TTE_EXECUTE; returncode = &1 ?

  The SAP error message CA_TTE_TEST166 indicates that there was an error during the Remote Function Call (RFC) to the function module TTE_EXECUTE. The return code &1 provides additional information about the nature of the error. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Configuration Issues: The RFC destination may not be configured correctly, leading to communication problems between systems.
  Authorization Problems: The user executing the RFC call may not have the necessary authorizations to perform the action.
  Network Issues: There could be network connectivity problems between the systems involved in the RFC call.
  Function Module Issues: The function module TTE_EXECUTE may have internal errors or may not be implemented correctly.
  Data Issues: The data being passed to the function module may be invalid or not in the expected format.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the configuration of the RFC destination used for the call. Ensure that it is correctly set up and that the connection is working.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the RFC call has the necessary authorizations. You can check this using transaction SU53 after the error occurs to see if there are any authorization failures.
  
  
  
  Test Network Connectivity:
  
  Use tools like ping or telnet to check if the network connection between the systems is functioning properly.
  
  
  
  Debug the Function Module:
  
  If you have access, you can debug the function module TTE_EXECUTE to identify any internal errors or issues with the data being processed.
  
  
  
  Check for Data Validity:
  
  Review the data being sent to the function module. Ensure that it meets the expected format and constraints.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage RFC destinations.
  SU53: To analyze authorization issues.
  SE37: To view and debug function modules.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for the TTE_EXECUTE function module to understand its parameters and expected behavior.
  
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.