How To Fix C0654 - Invalid name of function module & to be called

C0654 - Overview

• Message type: E = Error

• Message class: C0 - PP-PI: Messages for PI Sheet and Syntax Checker

• Message number: 654

• Message text: Invalid name of function module & to be called

What causes this issue?

The function name specified in the function call is not permitted for
function modules.
INCLUDE 'NA_FU_NO' OBJECT DOKU ID TX LANGUAGE E

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

INCLUDE 'NA_HA_TST' OBJECT DOKU ID TX LANGUAGE E
RESET N1
INCLUDE 'NA_HA_POS' OBJECT DOKU ID TX LANGUAGE E
In this process instruction, check the definition of the function
module to be called and correct it if necessary.
INCLUDE 'NA_STREZ_NEU' OBJECT DOKU ID TX LANGUAGE E
<DS:TRAN.COR2>Change process order</>
INCLUDE 'NA_HA_PROD' OBJECT DOKU ID TX LANGUAGE E
Errors in the process instruction cannot be corrected for the current
PI sheet.
INCLUDE 'NA_PLNREZ_HINW' OBJECT DOKU ID TX LANGUAGE E
<DS:TRAN.C202>Change master recipe</>

Error message extract from SAP system. Copyright SAP SE.

C0654 - Details

• The SAP error message C0654, which states "Invalid name of function module & to be called," typically occurs when there is an issue with the name of a function module being called in your ABAP code. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Typographical Error: The name of the function module may have been misspelled in the code.
  Non-Existent Function Module: The function module being called does not exist in the SAP system.
  Incorrect Namespace: The function module might be in a different namespace or package that is not accessible from the current context.
  Authorization Issues: The user executing the code may not have the necessary authorizations to access the function module.
  Transport Issues: If the function module was recently transported, it may not be available in the target system yet.
  
  Solutions:
  
  Check Spelling: Verify the spelling of the function module name in your code. Ensure that it matches exactly with the