This has only happened recently, but in most of the maps used throughout my organization points recorded by field workers using Field Maps are not editable after they submit them. As far as I can tell, the map layer is configure correctly but nothing happens when a point is selected - no popup appears, nor does the option to edit or delete the points. The only way for us to make edits is to use the admin account to do so.
Here are the configurations for the layer in AGOL. I've made updates to it in Field Maps Designer as well, but nothing that should affect whether it's editable or not.
There is a setting that you allows you to enable or disable editing for each layer inside of Map Viewer. If it is set to 'disabled,' the layer owner or admin will still be able to edit the layer, while others will not, so it may be worth double checking that setting.
In Map Viewer,