Trying to connect to an Access Request list using the "When an item is created of modified" trigger action, but getting the 400 error:
This is the "Access Requests" list, my guess that the SharePoint field type is ‘Permission Level Requested’ might be the Person or Status fields? I can't change neither, this is the Access Request list...
Go to list settings for the Access Requests list, select the 'Permission Level Requested' column to change, select 'no' for required property. I tried this and works. Had similar requirement like what I am guessing you had - automatic access provisioning.
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