How To Fix TT318 - CALL FUNCTION error &

TT318 - Overview

• 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