How To Fix FDT_CHANGE_INFO489 - Input parameters were changed

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CHANGE_INFO - FDT: Changes info in object for different versions

• Message number: 489

• Message text: Input parameters were changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CHANGE_INFO489 - Input parameters were changed ?

  The SAP error message FDT_CHANGE_INFO489 with the description "Input parameters were changed" typically occurs in the context of SAP's Flexible Data Import (FDI) or when using the Function Module or BAPIs that involve data processing. This error indicates that the input parameters provided to a function or method have been altered or are not in the expected format, which can lead to inconsistencies or failures in processing.
  Causes:
  
  Parameter Mismatch: The input parameters being passed to a function or method do not match the expected structure or data types.
  Data Type Issues: There may be issues with the data types of the parameters, such as passing a string where a numeric value is expected.
  Changes in Data Structure: If there have been recent changes to the data structure or the function module itself, the calling program may not be updated accordingly.
  Incorrect Mapping: In cases where data is being mapped from one structure to another, incorrect mapping can lead to this error.
  User Exits or BAdIs: If there are user exits or BAdIs that modify input parameters, they may inadvertently change the parameters in a way that causes this error.
  
  Solutions:
  
  Check Parameter Definitions: Review the function module or method documentation to ensure that the parameters being passed are correct and in the expected format.
  Debugging: Use the debugger to step through the code and inspect the values of the input parameters before they are passed to the function. This can help identify where the parameters are being changed.
  Review Recent Changes: If the error started occurring after a recent change, review those changes to see if they might have affected the input parameters.
  Data Validation: Implement validation checks before calling the function to ensure that the parameters meet the expected criteria.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that might address this specific error message.
  Testing: Create test cases with different sets of input parameters to isolate the issue and determine which specific parameters are causing the error.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific function module or BAPI you are using to understand the expected input parameters.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Transaction Codes: Use transaction codes like SE37 (Function Module) or SE80 (Object Navigator) to explore the function module and its parameters in detail.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP Basis or ABAP development team for further investigation.