How To Fix C0649 - Function name missing in dyn. function call: phase & instr. &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 649

• Message text: Function name missing in dyn. function call: phase & instr. &

What causes this issue?

The process instruction &V2& for phase &V1& of the process order is a
dynamic function call. However, the function module to be called up is
not specified in the process instruction. The function call cannot be
carried out.

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
Correct the process instruction &V2& for phase &V1& of 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 C0649 - Function name missing in dyn. function call: phase & instr. & ?

  The SAP error message C0649, which states "Function name missing in dyn. function call: phase & instr. &," typically occurs when there is an issue with a dynamic function call in an ABAP program. This error indicates that the system is expecting a function name to be provided, but it is missing or not correctly specified.
  Cause:
  
  Missing Function Name: The most common cause is that the function name is not being passed correctly in the dynamic function call.
  Incorrect Syntax: There may be a syntax error in the code where the dynamic function call is made.
  Variable Not Initialized: If the function name is stored in a variable, that variable may not be initialized or may not contain a valid function name.
  Dynamic Call Context: The context in which the dynamic call is made may not be set up correctly, leading to the function name not being recognized.
  
  Solution:
  
  Check the Code: Review the ABAP code where the dynamic function call is made. Ensure that the function name is correctly specified and is not empty.
  Initialize Variables: If the function name is stored in a variable, ensure that the variable is properly initialized and contains a valid function name before the call.
  Debugging: Use the ABAP debugger to step through the code and check the values of variables at runtime. This can help identify if the function name is being set correctly.
  Review Documentation: If you are using a standard SAP function module or method, refer to the SAP documentation to ensure you are using it correctly.
  Error Handling: Implement error handling to catch cases where the function name might be missing and provide a meaningful message or fallback behavior.
  
  Related Information:
  
  Dynamic Function Calls: In ABAP, dynamic function calls can be made using the CALL FUNCTION statement with a variable that holds the function name. Ensure that the variable is correctly populated.
  Function Modules: If you are calling a function module, ensure that it exists in the system and that you have the necessary permissions to call it.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional context.
  
  If the issue persists after checking these aspects, consider reaching out to your SAP support team or consulting with an experienced ABAP developer for further assistance.