How To Fix UACC005 - Error when calling up a function module in source system

SAP Error Message - Details

• Message type: E = Error

• Message class: UACC - Message Class for Concurrent Costing Adapter

• Message number: 005

• Message text: Error when calling up a function module in source 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 UACC005 - Error when calling up a function module in source system ?

  The SAP error message UACC005 typically indicates that there is an issue when calling a function module in the source system, often related to authorization or connectivity problems. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Authorization Issues: The user or system trying to call the function module may not have the necessary authorizations to execute it.
  Function Module Not Found: The specified function module may not exist in the source system or may have been deleted or renamed.
  Network Issues: There could be connectivity problems between the systems, preventing the function module from being accessed.
  Configuration Issues: Incorrect configuration settings in the RFC (Remote Function Call) destination or in the source system can lead to this error.
  Transport Issues: If the function module was recently transported, it may not have been activated or may have dependencies that are not met.
  
  Solutions:
  
  
  Check Authorizations:
  
  Ensure that the user or system has the necessary authorizations to execute the function module. You can use transaction codes like SU53 to analyze authorization failures.
  If needed, adjust the roles and authorizations in the user profile.
  
  
  
  Verify Function Module Existence:
  
  Use transaction SE37 or SE80 to check if the function module exists in the source system.
  If it does not exist, you may need to create it or transport it from another system.
  
  
  
  Test RFC Connection:
  
  Use transaction SM59 to test the RFC connection to the source system. Ensure that the connection is configured correctly and is active.
  Check for any network issues that might be affecting connectivity.
  
  
  
  Review Configuration:
  
  Ensure that the RFC destination is correctly configured and points to the right system.
  Check for any configuration settings that might be affecting the function module call.
  
  
  
  Check Transport Logs:
  
  If the function module was recently transported, check the transport logs for any errors or warnings that might indicate issues with the transport.
  
  
  
  Debugging:
  
  If you have access, you can debug the function module to see where the error occurs. This can provide insights into what might be going wrong.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE37: Function Module Maintenance
  SM59: RFC Destinations
  SU53: Authorization Check
  SE80: Object Navigator
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Review the documentation for the specific function module to understand its requirements and dependencies.
  
  
  By following these steps, you should be able to identify and resolve the UACC005 error in your SAP environment. If the issue persists, consider reaching out to SAP support for further assistance.