Cannot Post in my Forum

I cannot Post a Single Thing in my Forum idk what the Reason is

"Oops! Something went wrong there. Please reload the page or try again."

is the message that pops up

Hello sir and welcome.

Try to enable debug into your config.php file,

default is
'debug' => false,

you should write
'debug' => true,

Click save and when you try to post you will see the debug, paste here and someone will help you.

i have freeflarum

ItssJxstnDe please refer to the support forum of Free Flarum. (https://support.freeflarum.com/)