How To Fix ISUDEVCHECK026 - FuMO &: Transfer either OLDKEY or I_TABID, but not both

SAP Error Message - Details

• Message type: E = Error

• Message class: ISUDEVCHECK - IS-U Device Checker: Messages

• Message number: 026

• Message text: FuMO &: Transfer either OLDKEY or I_TABID, but not both

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ISUDEVCHECK026 - FuMO &: Transfer either OLDKEY or I_TABID, but not both ?

  The SAP error message ISUDEVCHECK026 indicates that there is an issue with the parameters being passed in a function module or method related to the IS-U (Utilities) module. Specifically, the error message states that you are trying to transfer both OLDKEY and I_TABID, which is not allowed. You can only transfer one of these parameters at a time.
  Cause:
  The error occurs when both OLDKEY and I_TABID are being populated in the same call. This typically happens in scenarios where a developer is trying to update or manipulate data in the IS-U module, and the function module or method expects only one of these parameters to be provided to avoid ambiguity.
  Solution:
  To resolve this error, you need to ensure that you are only passing one of the two parameters (OLDKEY or I_TABID) in your function call. Here are the steps to troubleshoot and fix the issue:
  
  
  Review the Code: Check the code where the function module or method is being called. Look for the parameters being passed.
  
  
  Determine the Requirement: Understand the logic of your application to determine whether you need to use OLDKEY or I_TABID. 
  
  
  Modify the Call: Adjust the function call to only include the necessary parameter. For example:
  
  If you need to use OLDKEY, ensure that I_TABID is not being populated.
  Conversely, if you need to use I_TABID, ensure that OLDKEY is not being populated.
  
  
  
  Test the Changes: After making the changes, test the functionality to ensure that the error is resolved and that the application behaves as expected.
  
  
  Related Information:
  
  Function Module Documentation: Check the SAP documentation for the specific function module or method you are using. It will provide details on the parameters and their expected usage.
  SAP Notes: Look for any relevant SAP Notes that might address this error or provide additional context.
  Debugging: If you are unsure which parameter to use, consider debugging the application to see how the parameters are being set and used in the context of your business logic.
  
  By following these steps, you should be able to resolve the ISUDEVCHECK026 error and ensure that your application functions correctly.