How To Fix 5Z157 - Error with handles at the CALL interface

SAP Error Message - Details

• Message type: E = Error

• Message class: 5Z - IS-HR/PSG Public Sector Payroll - Germany

• Message number: 157

• Message text: Error with handles at the CALL interface

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5Z157 - Error with handles at the CALL interface ?

  The SAP error message 5Z157, which indicates "Error with handles at the CALL interface," typically arises in the context of SAP's ABAP programming environment. This error is related to issues with the handling of function calls, particularly when dealing with external function modules or RFC (Remote Function Call) interfaces.
  Causes:
  
  Invalid Handle: The error may occur if the handle being passed to a function is invalid or has not been properly initialized.
  Memory Issues: There could be memory allocation issues or corruption that affect the handles being used.
  Incorrect Function Module: The function module being called may not be correctly defined or may not exist in the system.
  Parameter Mismatch: There may be a mismatch in the parameters being passed to the function module, leading to an invalid state.
  Version Compatibility: If the function module is being called from a different version of SAP or a different system, compatibility issues may arise.
  
  Solutions:
  
  Check Function Module: Verify that the function module being called exists and is correctly defined in the system. Ensure that it is active and has the correct interface.
  Validate Handles: Ensure that all handles being passed to the function are valid and properly initialized. Check for any null or uninitialized handles.
  Parameter Verification: Review the parameters being passed to the function module to ensure they match the expected types and formats.
  Memory Management: Investigate any potential memory issues. This may involve checking for memory leaks or ensuring that memory is being allocated and freed correctly.
  Debugging: Use the ABAP debugger to step through the code and identify where the error occurs. This can help pinpoint the exact cause of the issue.
  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 the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on function modules and RFC calls.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.