I have an issue where some of my Moodle users are not able to login getting a 500 internal server error, enabling debugging does not show any extra information, when i try to edit something from a users profile it does not let me, keeps loading forever and in the end i get the 500 error again, at this point i suspected the database, i tried to update or a delete a record straight from the mdl_user table, result was crush and a timeout error in the end without any change made in the table.

Please help.

I didn't find the right solution from the Internet.

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