How To Fix OIUX3021 - Error calling FM &1: RC &2

SAP Error Message - Details

• Message type: E = Error

• Message class: OIUX3 - Tax Reporting

• Message number: 021

• Message text: Error calling FM &1: RC &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OIUX3021 - Error calling FM &1: RC &2 ?

  The SAP error message OIUX3021, which states "Error calling FM &1: RC &2," typically indicates that there was an issue when trying to call a function module (FM) in the SAP system. The error message provides two placeholders: &1 for the name of the function module that failed and &2 for the return code (RC) that indicates the nature of the error.
  Causes:
  
  Function Module Issues: The function module specified in the error may not exist, may be inactive, or may have been deleted.
  Authorization Issues: The user may not have the necessary authorizations to execute the function module.
  Parameter Issues: Incorrect or missing parameters may have been passed to the function module.
  System Configuration: There may be configuration issues in the system that affect the execution of the function module.
  Runtime Errors: The function module may encounter a runtime error due to data inconsistencies or other issues.
  
  Solutions:
  
  Check Function Module: Verify that the function module specified in the error message exists and is active. You can do this by using transaction SE37 (Function Builder).
  Review Authorizations: Ensure that the user executing the transaction has the necessary authorizations to call the function module. You can check this using transaction SU53 or by consulting with your security team.
  Parameter Validation: Review the parameters being passed to the function module to ensure they are correct and complete. You may need to debug the calling program to see what values are being passed.
  Check Return Code: Analyze the return code (RC &2) to understand the specific error. Common return codes can indicate different issues, such as authorization failures, data inconsistencies, or system errors.
  Debugging: If you have access, you can debug the program that is calling the function module to identify where the error occurs and what data is being processed.
  Consult Documentation: Check the SAP documentation or notes related to the function module for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues with the specific function module.
  Transaction Codes: Familiarize yourself with transaction codes like SE37 (Function Module), SE80 (Object Navigator), and ST22 (Dump Analysis) for further investigation.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis or development team for further analysis and resolution.