After upgrade from 3.1.0 to 3.1.2.-1 Submission page showing error and User not showing (Spinner is running))

Hi,

I had updated OJS from 3.1.0 to 3.1.2-1 process goes smoothly without any issue, but after that when we open Submission page give exception error and user page not showing users and spinner continuously running.
OJS5

OJS6

OJS7

OJS4

As after seeing some post related to this we had run below queries but no result found…

OJS1

OJS2

OJS3

Please suggest solution.

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