How To Fix 55897 - Internal error: Change mode &1 in FM &2 not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: 55 - Messages for development class EENO

• Message number: 897

• Message text: Internal error: Change mode &1 in FM &2 not supported

What causes this issue?

Internal program error: This function module was called with a change
mode (field X_UPD_MODE) that is not supported by the function module.

System Response

The system cannot execute this request.

How to fix this error?

Note the following:
name of the function module
transaction
entries leading to this error.
Send this information with a problem message to SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 55897 - Internal error: Change mode &1 in FM &2 not supported ?

  The SAP error message "55897 Internal error: Change mode &1 in FM &2 not supported" typically indicates that there is an issue with the function module (FM) being called in a specific change mode that is not supported by the system. This error can arise in various scenarios, often related to the way data is being processed or modified within the function module.
  Cause:
  
  Unsupported Change Mode: The function module is being called with a change mode that it does not support. For example, if the function module is designed for read-only operations, but it is being invoked in a mode that attempts to modify data.
  Incorrect Configuration: There may be a configuration issue or a mismatch in the expected parameters for the function module.
  Custom Code Issues: If there is custom code that interacts with standard function modules, it may be incorrectly handling the change modes.
  System Bugs: There could be a bug in the SAP system or the specific function module being used.
  
  Solution:
  
  Check Function Module Documentation: Review the documentation for the function module to understand the supported change modes and ensure that you are using it correctly.
  Review Calling Code: If you are calling the function module from custom code, check the parameters being passed and ensure that the change mode is appropriate for the function module.
  Debugging: Use the SAP debugger to trace the execution of the code leading to the error. This can help identify where the unsupported change mode is being set.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates.
  Consult with SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Function Module (FM): A reusable piece of code in SAP that can be called from various programs or other function modules.
  Change Modes: These are modes that define how data is being processed (e.g., read, write, delete). Each function module may support specific modes.
  SAP Notes: These are documents published by SAP that provide information about known issues, fixes, and enhancements.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution. If you have access to SAP's support resources, they can be invaluable in resolving such issues.