Hi everyone,
I created custom table that contain list of uploaded files.
Now i want to delete file using JS, but im getting error :

when i confirm suppression.
How can i fix this issue, and refreshing IR after deleting row ?
You can see demo on apex.oracle.com with this credentials:
Workspace: ws_formation
Username: asoukaina
Password: s@boulah1013
Application 144039 - Delete row
Thank you for help.