How To Fix C0665 - Parameter & has been defined twice

C0665 - Overview

• Message type: E = Error

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

• Message number: 665

• Message text: Parameter & has been defined twice

What causes this issue?

Parameter &V1& is contained twice in the function call.
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
Correct the process instruction in the process order.
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.

Smart SAP Assistant

• What is the cause and solution for SAP error message C0665 - Parameter & has been defined twice ?

  The SAP error message C0665, which states "Parameter & has been defined twice," typically occurs during the development of ABAP programs or when defining parameters in function modules, methods, or other programmatic constructs. This error indicates that a parameter has been declared more than once, which is not allowed.
  
  Cause:
  
  Duplicate Parameter Declaration: The most common cause of this error is that a parameter has been defined multiple times within the same scope (e.g., in a function module, method, or report).
  Typographical Errors: Sometimes, a typographical error can lead to the same parameter name being used inadvertently.
  Inclusion of Multiple Includes: If multiple includes are used in a program, and the same parameter is defined in more than one include, it can lead to this error.
  
  
  Solution:
  
  Check Parameter Declarations: Review the code where the error occurs and check for any duplicate parameter declarations. Ensure that each parameter is defined only once.
  Rename Parameters: If you find