the forum stopped working suddenly

[mc nabulsy]

hello,
my forum stopped working suddenly. i didn't change anything or upload anything.
i tried to open the admin panel but it only a white page appeared then i tried to go to /install, but also only the white page appeared. the forum is opening but i can't post or reply or use any order
sometimes this message appeared before the "subject content" box disappears

oops_we_ran_into_some_problems_more_details_console
Click to expand...

and this is the "new thread" page now, there is no content box...

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the forum stopped working suddenly

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