How To Fix CB338 - Destination &: Correctly define interface for function module &

SAP Error Message - Details

• Message type: E = Error

• Message class: CB - PP-PI-PMA: Dialog Messages for Process Management

• Message number: 338

• Message text: Destination &: Correctly define interface for function module &

What causes this issue?

The selected process message has the destination &V1& of type "SAP
function module" assigned to it. However, the interface of the
corresponding function module does not meet the requirements a message
destination of this type must fulfill.
The message has not been sent to the destination &V1&.

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?

RESET N1
Check and correct the definition of the interface for the function
module.
You will find information on the corresponding requirements in the
implementation guide for process management in the section <LS>Define
message destinations</>.
INCLUDE 'NA_EMPF_SEND' OBJECT DOKU ID TX LANGUAGE E
Otherwise, manually post the message data if necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CB338 - Destination &: Correctly define interface for function module & ?

  The SAP error message CB338 indicates that there is an issue with the definition of the interface for a function module. This error typically arises when the destination for a remote function call (RFC) is not correctly defined or when the function module's interface does not match the expected parameters.
  Cause:
  
  Incorrect Destination Configuration: The destination specified in the RFC call may not be correctly configured in the SAP system.
  Function Module Interface Mismatch: The parameters defined in the function module may not match the parameters expected by the calling program or the RFC destination.
  Missing Function Module: The function module may not exist in the target system or may not be activated.
  Authorization Issues: The user may not have the necessary authorizations to call the function module in the target system.
  
  Solution:
  
  
  Check Destination Configuration:
  
  Go to transaction SM59 to check the RFC destination configuration.
  Ensure that the destination is correctly defined and that the connection parameters (like the target system, client, user, password, etc.) are correct.
  
  
  
  Verify Function Module Interface:
  
  Use transaction SE37 to check the function module's interface.
  Ensure that the parameters defined in the function module match what is being called in the program. Pay attention to the data types and the number of parameters.
  
  
  
  Check Function Module Activation:
  
  Ensure that the function module is activated. If it is not activated, activate it in transaction SE37.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to execute the function module in the target system. You can check this in transaction SU53 after attempting to execute the function.
  
  
  
  Testing the RFC Call:
  
  You can test the RFC call using transaction SE37 or SE80 to ensure that it works as expected without errors.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the RFC trace (transaction SM59 -> select the destination -> "Display" -> "Trace") for any additional error messages that might provide more context.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific function module or error message for any known issues or patches.
  Documentation: Review the documentation for the function module to understand its expected parameters and usage.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the issue causing the CB338 error message in SAP.