How To Fix UJK_EXCEPTION028 - Unknown parameter for program "&1": "&2"

SAP Error Message - Details

• Message type: E = Error

• Message class: UJK_EXCEPTION -

• Message number: 028

• Message text: Unknown parameter for program "&1": "&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 UJK_EXCEPTION028 - Unknown parameter for program "&1": "&2" ?

  The SAP error message UJK_EXCEPTION028 indicates that there is an unknown parameter being passed to a program or function module. This typically occurs when the program is expecting certain parameters, but one or more of the parameters provided are not recognized or are incorrectly specified.
  Cause:
  
  Incorrect Parameter Name: The parameter name being passed to the program does not match any of the expected parameter names.
  Typographical Errors: There may be a typo in the parameter name or value.
  Version Mismatch: The program may have been updated or changed, and the parameters expected by the new version do not match those used in the calling program.
  Configuration Issues: There may be configuration settings that are not correctly set up, leading to the program not recognizing the parameters.
  Custom Code Issues: If the program is a custom development, there may be issues in the code that are causing the parameters to be mismanaged.
  
  Solution:
  
  Check Parameter Names: Verify that the parameter names being passed to the program are correct and match the expected names in the program's interface.
  Review Documentation: Consult the documentation for the program or function module to ensure that you are using the correct parameters.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the program to see what parameters are being passed and where the error occurs.
  Check for Updates: If the program has been recently updated, check the release notes or documentation for any changes in parameter requirements.
  Consult with Developers: If the program is custom, reach out to the developers to understand the expected parameters and any recent changes that may have been made.
  Test with Default Values: If applicable, try running the program with default or minimal parameters to see if it executes successfully.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the specific program or function module you are working with.
  Transaction Codes: Use transaction codes like SE37 (Function Builder) or SE80 (Object Navigator) to explore the program and its parameters.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.