How To Fix E9870 - Internal error: Entry of parameters &1 & &2 in func. mod. &3 not allowed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 870

• Message text: Internal error: Entry of parameters &1 & &2 in func. mod. &3 not allowed

What causes this issue?

The function module you specified was called.

System Response

You cannot transfer both the parameters specified to the function
module.

How to fix this error?

Note the following:
The message text and message number
The name of the internal table and the name of the module/form
The transaction/report
The entries that led to this error
INCLUDE ISU_SAP OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E9870 - Internal error: Entry of parameters &1 & &2 in func. mod. &3 not allowed ?

  The SAP error message E9870 indicates an internal error related to the entry of parameters in a function module. This error typically arises when there is an issue with the way parameters are being passed to a function module, which can be due to various reasons such as incorrect data types, missing parameters, or issues with the function module itself.
  Cause:
  
  Incorrect Parameter Types: The parameters being passed to the function module do not match the expected data types.
  Missing Parameters: Required parameters are not being provided when calling the function module.
  Function Module Restrictions: The function module may have specific restrictions on how parameters can be used or passed.
  Custom Code Issues: If the function module is a custom one, there may be issues in the implementation that lead to this error.
  SAP Notes: There may be known issues with the specific version of the function module that have been documented in SAP Notes.
  
  Solution:
  
  Check Parameter Types: Verify that the parameters being passed to the function module match the expected data types and formats.
  Review Function Module Documentation: Look at the documentation for the function module to ensure that all required parameters are being provided and that they are in the correct order.
  Debugging: Use the debugger to step through the code and identify where the error occurs. This can help pinpoint the exact parameter causing the issue.
  Check for SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide guidance on the function module in question.
  Consult with Developers: If the function module is custom, consult with the developer who created it to understand any specific restrictions or requirements.
  Testing: Create a simple test case to isolate the function module call and test it with different parameters to see if the error persists.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE37 (Function Builder) to view the function module and its parameters.
  SAP Notes: Use transaction code SNOTE to check for any relevant SAP Notes that might provide fixes or workarounds for this error.
  Debugging Tools: Familiarize yourself with debugging tools in SAP to help trace the execution flow and identify issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.