Cannot Edit Threads or Get to User Profiles

[Movie Prop Sites]

Last night we had a MariaDB client and common upgraded but server did not. We noticed problems so we downgraded back to where we were, and now we get
Oops! We ran into some problems.
Oops! We ran into some problems. Please try again later. More error details may be in the browser console.

This pops up when clicking any user profile or when an admin tries to edit a post.

When I click on a user profile with the console open I see this:



Any thoughts on what might be happening...

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Cannot Edit Threads or Get to User Profiles

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