How To Fix AH794 - Error in user exit EXIT_SAPLE20Q_001

SAP Error Message - Details

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 794

• Message text: Error in user exit EXIT_SAPLE20Q_001

&CAUSE& v1<(>&<)>
A customer enhancement has caused an error: rate type &v1& has been
inserted in the EXIT_SAPLE20Q_001 user exit for F4 help for rate types.
It is not permitted to add rate types to the user exit.

System Response

Processing is terminated.

How to fix this error?

Check the user exit.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH794 - Error in user exit EXIT_SAPLE20Q_001 ?

  The SAP error message AH794, specifically related to the user exit EXIT_SAPLE20Q_001, typically occurs in the context of the SAP system's handling of certain processes, often related to the logistics or procurement modules. This user exit is part of the enhancement framework that allows for custom code to be executed at specific points in standard SAP processes.
  Cause:
  The error can arise due to several reasons, including:
  
  Custom Code Issues: If there is custom code implemented in the user exit that has errors or is not handling certain conditions properly, it can lead to this error.
  Data Issues: Inconsistent or unexpected data being processed can trigger this error. For example, if the data being passed to the user exit does not meet the expected format or constraints.
  Configuration Issues: Incorrect configuration settings in the related modules can also lead to this error.
  Missing Authorizations: If the user executing the transaction does not have the necessary authorizations, it may lead to this error.
  
  Solution:
  To resolve the AH794 error, you can take the following steps:
  
  
  Check Custom Code: Review the implementation of the user exit EXIT_SAPLE20Q_001. Look for any syntax errors, logical errors, or unhandled exceptions in the custom code. Debugging the code can help identify the exact point of failure.
  
  
  Data Validation: Ensure that the data being processed is valid and meets the expected criteria. Check for any missing or incorrect data that might be causing the issue.
  
  
  Review Configuration: Verify the configuration settings related to the processes that are triggering this error. Ensure that all necessary settings are correctly configured.
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to execute the transaction or process that is causing the error.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  Testing: After making changes, thoroughly test the process to ensure that the error is resolved and that the system behaves as expected.
  
  
  Related Information:
  
  User Exits: User exits are part of the SAP enhancement framework, allowing developers to add custom functionality to standard SAP processes without modifying the original code.
  Debugging: Use the SAP debugger to step through the code in the user exit to identify where the error occurs.
  Transaction Codes: Familiarize yourself with transaction codes related to the module in question (e.g., ME21N for purchase orders) to better understand the context of the error.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.