How To Fix FL135 - Save function module prior to editing

FL135 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 135

• Message text: Save function module prior to editing

What causes this issue?

You created a function module and started to edit it. You cannot use
the editor without first saving your work so far.

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?

Save your input.

Error message extract from SAP system. Copyright SAP SE.

FL135 - Details

• The SAP error message FL135, which states "Save function module prior to editing," typically occurs when you attempt to edit a function module in the SAP system without first saving the changes made to it. This is a common issue when working with function modules in the ABAP Workbench.
  
  Cause:
  The error is triggered because the SAP system requires that any unsaved changes to a function module must be saved before you can enter edit mode again. This is a safeguard to prevent loss of data or changes that have not been committed.
  
  Solution:
  To resolve the FL135 error, follow these steps:
  
  
  Save Changes: If you have made any changes to the function module, ensure that you save them. You can do this by clicking the "Save" button (disk icon) in the toolbar or by using the keyboard shortcut Ctrl + S.
  
  
  Check for Unsaved Changes: If you are unsure whether there are unsaved changes, you