How To Fix E9888 - Internal error: Parameters &1 or &2 must be entered in function module &3

SAP Error Message - Details

• Message type: E = Error

• Message class: E9 - General IS-U Error Messages

• Message number: 888

• Message text: Internal error: Parameters &1 or &2 must be entered in function module &3

What causes this issue?

The specified function module was called up.

System Response

For the correct functionality, the function module needs the specified
parameters which were not transferred to the function module.

How to fix this error?

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E9888 - Internal error: Parameters &1 or &2 must be entered in function module &3 ?

  The SAP error message E9888 indicates that there is an internal error related to the parameters being passed to a function module. Specifically, it suggests that certain parameters (denoted as &1 and &2) are required but have not been provided or are invalid when calling the function module (denoted as &3).
  Cause:
  
  Missing Parameters: The most common cause of this error is that the required parameters are not being passed to the function module when it is called.
  Incorrect Parameter Values: The parameters may be present but contain invalid or unexpected values that the function module cannot process.
  Configuration Issues: There may be issues with the configuration of the function module or the related application logic that leads to this error.
  Custom Code: If there is custom code involved, it may not be handling the parameters correctly.
  
  Solution:
  
  Check Function Module Documentation: Review the documentation for the function module to understand which parameters are required and their expected values.
  Debugging: Use the SAP debugger to step through the code where the function module is called. Check the values of the parameters being passed to ensure they are correct and complete.
  Parameter Validation: Implement validation checks before calling the function module to ensure that all required parameters are provided and valid.
  Review Custom Code: If the error occurs in custom code, review the logic to ensure that it correctly prepares and passes the parameters to the function module.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific error or provide additional guidance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE37 (Function Builder) to look up the function module and see its parameters.
  SAP Community: Consider searching or posting in the SAP Community forums for insights from other users who may have encountered the same issue.
  Error Logs: Check the application logs (transaction SLG1) for any additional error messages or context that may help diagnose the issue.
  
  By following these steps, you should be able to identify the root cause of the E9888 error and implement a solution to resolve it.