I have an error that the user cannot open the software manager

My App/Pages Support link:
Learn how to create one: Glide

Describe the bug:
I have an error that the user cannot open the software manager, I started getting errors when deleting columns in sheet user

Please attach a Loom video and create a ticket here.

https://glide-help.zendesk.com/hc/en-us/requests/new