How To Fix FL003 - Unable to run a 'REMOTE' function module in update task

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 003

• Message text: Unable to run a 'REMOTE' function module in update task

What causes this issue?

The function module you tried to activate for the update task runs in
remote mode. It cannot do both.

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?

Set only one of the flags. If you want the same function module to run
both in remote mode and update task, copy it and set the corresponding
other flag in the copied version.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FL003 - Unable to run a 'REMOTE' function module in update task ?

  The SAP error message FL003, which states "Unable to run a 'REMOTE' function module in update task," typically occurs when there is an attempt to call a remote-enabled function module (RFC) from within an update task. Update tasks are designed to handle database updates and should not call remote function modules, as this can lead to inconsistencies and issues with transaction management.
  Cause:
  
  Update Task Context: The update task is executed in a different context than the main program. Remote function calls (RFC) are not allowed in this context because they can lead to issues with transaction integrity.
  Function Module Configuration: The function module being called is defined as a remote-enabled function module (RFC), which is not permitted in an update task.
  Program Logic: The program logic may inadvertently be trying to call a remote function module during an update task.
  
  Solution:
  
  Avoid RFC Calls in Update Tasks: Review the code to ensure that no remote function modules are being called from within the update task. If you need to perform remote calls, consider restructuring your code to do so outside of the update task.
  Use Asynchronous Processing: If you need to perform actions that require remote function calls, consider using asynchronous processing methods, such as background jobs or using the CALL FUNCTION ... IN BACKGROUND TASK statement.
  Refactor Code: If the logic requires calling a remote function, refactor the code to separate the update logic from the remote call. You can perform the update first and then call the remote function in a separate process.
  Error Handling: Implement error handling to catch and manage situations where an RFC call might be attempted inappropriately.
  
  Related Information:
  
  Function Module Attributes: Check the attributes of the function module in transaction SE37. Ensure that it is not marked as remote-enabled if it is intended to be called from an update task.
  SAP Notes: Look for relevant SAP Notes that may provide additional context or solutions for specific scenarios related to this error.
  Documentation: Review SAP documentation regarding update tasks and remote function calls to understand the limitations and best practices.
  
  By following these guidelines, you should be able to resolve the FL003 error and ensure that your SAP application functions correctly without violating the constraints of update tasks.