How To Fix 55896 - Internal error: Error in parameter &2 (&3) in function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 55 - Messages for development class EENO

• Message number: 896

• Message text: Internal error: Error in parameter &2 (&3) in function module &1

What causes this issue?

Internal program error: This function module was called with a
parameter combination that is inadequate. The parameter values
specified are not sufficient to execute the function of the function
module.

System Response

The system cannot execute this request.

How to fix this error?

Note the follwoing:
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 55896 - Internal error: Error in parameter &2 (&3) in function module &1 ?

  The SAP error message 55896, which states "Internal error: Error in parameter &2 (&3) in function module &1," typically indicates that there is an issue with the parameters being passed to a function module in the SAP system. This error can arise due to various reasons, including data inconsistencies, incorrect parameter values, or issues within the function module itself.
  Causes:
  
  Data Inconsistency: The data being processed may not meet the expected format or constraints required by the function module.
  Incorrect Parameter Values: The parameters being passed to the function module may be incorrect or not properly initialized.
  Function Module Issues: There may be a bug or issue within the function module itself that is causing it to fail.
  Configuration Issues: Incorrect configuration settings in the system can lead to unexpected behavior in function modules.
  Authorization Issues: Lack of proper authorizations can sometimes lead to internal errors when accessing certain function modules.
  
  Solutions:
  
  Check Parameter Values: Review the values being passed to the function module. Ensure that they are valid and conform to the expected data types and formats.
  Debugging: Use the SAP debugger to step through the code and identify where the error occurs. This can help pinpoint the exact parameter causing the issue.
  Review Function Module: Check the implementation of the function module for any known issues or bugs. You can also look for SAP Notes related to the function module for any patches or updates.
  Data Validation: Ensure that the data being processed is valid and consistent. This may involve checking database entries or ensuring that the data is correctly formatted.
  Check Authorizations: Verify that the user executing the function has the necessary authorizations to perform the action.
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like SE37 (Function Builder) or SE80 (Object Navigator) to analyze the function module in question.
  SAP Notes: Look for SAP Notes that might provide fixes or workarounds for this specific error message.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the error message 55896 in your SAP system.