How To Fix TT318 - CALL FUNCTION error &

SAP Error Message - Details

• Message type: E = Error

• Message class: TT - Extended Computer Aided Test Tool (eCATT) messages

• Message number: 318

• Message text: CALL FUNCTION error &

What causes this issue?

An error occurred during the generation of the function module.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Inform the system administrator about the error that occurred.
This person can start the report 'RSCATINI' and use it to solve
some problems that occur in this context. You should not run the
report yourself.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TT318 - CALL FUNCTION error & ?

  The SAP error message TT318, which indicates a "CALL FUNCTION error," typically arises when there is an issue with the execution of a function module in SAP. This error can occur for various reasons, and understanding the cause is essential for troubleshooting. Here are some common causes, potential solutions, and related information:
  Common Causes:
  
  Function Module Not Found: The specified function module may not exist or may not be activated in the system.
  Parameter Mismatch: The parameters being passed to the function module may not match the expected parameters in terms of type or number.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  Runtime Errors: There may be runtime errors within the function module itself, such as unhandled exceptions or logic errors.
  System Configuration Issues: There may be issues with the system configuration or settings that affect the execution of the function module.
  
  Potential Solutions:
  
  Check Function Module Existence: Verify that the function module exists in the system and is activated. You can do this by using transaction code SE37 or SE80.
  Review Parameters: Ensure that the parameters being passed to the function module are correct. Check for data types, optional parameters, and required parameters.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 or by reviewing the user's roles and authorizations.
  Debugging: If you have access, use the debugger to step through the function module to identify where the error occurs. This can help pinpoint the exact issue.
  Check for Notes and Patches: Look for SAP Notes or patches related to the function module or the error message. Sometimes, SAP releases fixes for known issues.
  Consult Documentation: Review the documentation for the function module to understand its expected behavior and requirements.
  
  Related Information:
  
  Transaction Codes: SE37 (Function Builder), SE80 (Object Navigator), SU53 (Authorization Check), ST22 (Dump Analysis).
  SAP Notes: Search the SAP Support Portal for any relevant notes that may address the specific function module or error message.
  Community Forums: Consider checking SAP Community forums or other SAP-related discussion boards for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.