How To Fix E9157 - Unknown error during call of function module &1 in program &2

SAP Error Message - Details

• Message type: E = Error

• Message class: E9 - General IS-U Error Messages

• Message number: 157

• Message text: Unknown error during call of function module &1 in program &2

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message E9157 - Unknown error during call of function module &1 in program &2 ?

  The SAP error message E9157, which states "Unknown error during call of function module &1 in program &2," typically indicates that there was an unexpected issue when trying to execute a function module in the specified program. This error can arise from various underlying causes, and troubleshooting it may require a systematic approach.
  Possible Causes:
  
  Function Module Issues: The function module itself may have bugs or issues that prevent it from executing correctly.
  Parameter Mismatch: The parameters being passed to the function module may not match the expected types or formats.
  Authorization Issues: The user executing the program may not have the necessary authorizations to call the function module.
  Data Issues: There may be issues with the data being processed, such as missing or invalid entries.
  System Configuration: There could be configuration issues in the SAP system that affect the execution of the function module.
  Transport Issues: If the function module was recently transported from another system, there may be inconsistencies or missing dependencies.
  
  Solutions:
  
  Check Function Module: Review the function module in transaction SE37 or SE80 to ensure it is functioning correctly. Test it independently to see if it produces the same error.
  Parameter Validation: Verify that the parameters being passed to the function module are correct and in the expected format.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 after the error occurs.
  Debugging: Use the debugger to step through the program and identify where the error occurs. This can provide insights into what might be going wrong.
  Check Logs: Review the system logs (transaction SM21) and short dump analysis (transaction ST22) for any related error messages that could provide more context.
  Consult Documentation: Look for any documentation or notes related to the function module or program that might indicate known issues or required configurations.
  Contact SAP Support: If the issue persists and cannot be resolved, consider reaching out to SAP support for assistance, especially if it appears to be a bug in the function module.
  
  Related Information:
  
  Transaction Codes: SE37 (Function Module), SE80 (Object Navigator), SU53 (Authorization Check), ST22 (Dump Analysis), SM21 (System Log).
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide patches.
  Community Forums: Check SAP Community or other forums for similar issues reported by other users, as they may have found solutions or workarounds.
  
  By following these steps, you should be able to diagnose and potentially resolve the E9157 error in your SAP system.