posting issue

when i post from the frontend using the richtext editor it doesnt post anything its blank.

what i mean is i have place for people to post their own builds for games,when they click submit, the post isnt there,even when i go to to the post in the admin view the data from the form isnt there. But if they go to their dashboard to edit the post the text they posted is still there.

ive deactivated all plugins so there isnt a conflicting plugin