How To Fix AO198 - Incorrect system on function module for COPY parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: AO - Appropriation requests - Master data / Customizing

• Message number: 198

• Message text: Incorrect system on function module for COPY parameter

What causes this issue?

The call of function module 'AIA1_REQUEST_COPY_VARNT' took place with
an unknown entry in the COPY: &V1& parameter.

System Response

This is a program error.

How to fix this error?

Contact your system administrator. He or she should check the program
control, since this could only have resulted from incorrect calls
within the program.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AO198 - Incorrect system on function module for COPY parameter ?

  The SAP error message AO198, which states "Incorrect system on function module for COPY parameter," typically occurs in the context of data transfer or copying operations within SAP, particularly when dealing with the use of function modules that are expected to operate on specific system configurations or parameters.
  Cause:
  
  Incorrect System Configuration: The error may arise if the function module is being called in a system that is not configured correctly or does not match the expected parameters for the operation.
  Parameter Mismatch: The parameters being passed to the function module may not align with what the function module expects, leading to the error.
  Transport Issues: If the function module was transported from one system to another (e.g., from development to production), there may be discrepancies in the system settings or configurations.
  Version Incompatibility: The function module may be designed for a different version of SAP or a different environment, leading to compatibility issues.
  
  Solution:
  
  Check System Configuration: Verify that the system settings and configurations are correct and match the requirements of the function module. This includes checking the system type, client settings, and any relevant parameters.
  Review Function Module Parameters: Ensure that the parameters being passed to the function module are correct and in the expected format. You can do this by checking the function module's documentation or using transaction SE37 to view its definition.
  Transport Validation: If the function module was recently transported, check the transport logs for any errors or warnings. Ensure that all necessary objects and dependencies were included in the transport.
  Debugging: Use the debugger to step through the code where the function module is called. This can help identify the exact point of failure and the values of the parameters being passed.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE37 (Function Builder) to analyze the function module and SE80 (Object Navigator) to check related objects.
  SAP Documentation: Review the official SAP documentation for the specific function module to understand its requirements and limitations.
  Community Forums: Consider checking SAP community forums or sites like SAP Community or Stack Overflow for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the AO198 error in your SAP environment.