Trouble creating/sharing editable documents

We’re a new Coop just getting started with Nextcloud, so I looked thru the help and forums but didn’t see this error. I created a document, tried to share it and allow editing, and it gives me an error that I can’t quite make out because the error line gets cut off. I attached the file to this post.

Is this a folder thing? An administrator issue?

Nextcloud version _24.0.7
Operating system and version Windows 11 Home, Mozilla firefox latest version

FYI we found the issue. The admin account had created the folder structure and hadn’t allowed editing. They allowed it at the folder levels, and it propagated down to the files we needed to edit.