How To Fix M2774 - No inbound function module could be determined for event &!

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 774

• Message text: No inbound function module could be determined for event &!

What causes this issue?

No inbound function module could be determined for event &V1&.

How to fix this error?

Check whether the function modules were generated for this
event or not.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M2774 - No inbound function module could be determined for event &! ?

  The SAP error message M2774, which states "No inbound function module could be determined for event &!", typically occurs in the context of the SAP Event Management or when dealing with IDocs and message processing. This error indicates that the system is unable to find a suitable inbound function module to handle a specific event that has been triggered.
  Cause:
  
  
  Missing Function Module: The most common cause is that there is no inbound function module defined for the specific event that is being triggered. This can happen if the configuration for the event handling is incomplete or incorrect.
  
  
  Incorrect Event Configuration: The event might not be properly configured in the system, leading to the inability to link it to a corresponding function module.
  
  
  Custom Development Issues: If there are custom developments or enhancements, they might not be correctly implemented or activated.
  
  
  Transport Issues: If the configuration was transported from one system to another (e.g., from development to production), there might be issues with the transport that led to missing or incomplete configurations.
  
  
  Solution:
  
  
  Check Event Configuration: Go to the relevant configuration settings in SAP (e.g., transaction codes like SWETYPV for event type configuration) and ensure that the event is correctly defined and linked to the appropriate inbound function module.
  
  
  Define Inbound Function Module: If the function module does not exist, you may need to create it. This involves:
  
  Identifying the event that is causing the error.
  Creating a new function module that will handle the event.
  Ensuring that the function module is correctly registered in the event type configuration.
  
  
  
  Review Custom Code: If there are custom developments, review the code to ensure that it is correctly implemented and that the function module is being called as expected.
  
  
  Check Transport Requests: If the issue arose after a transport, check the transport logs and ensure that all necessary objects were transported correctly.
  
  
  Testing: After making changes, test the event triggering again to ensure that the error is resolved.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SWETYPV: To maintain event types.
  SWED: To check event definitions.
  SE37: To create or modify function modules.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  
  Documentation: Review SAP documentation related to event handling and IDoc processing for more detailed information on how to configure and troubleshoot events.
  
  
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  
  By following these steps, you should be able to identify the cause of the M2774 error and implement a solution to resolve it.