after create new account i get whte screen

[Reality Capture Experts]

i get a white screen when i try and create an account as  new user at http://nasguys.com/forums/index.php?/register/ (not the facebook, that doesnt work either)

after filling in info i see a white screen and no user has been created.

 

am i missing a setting

I have active: "Allow new registrations? On "

 

 

[Reality Capture Experts]

For anyone in the future seeing a white screen. my problem was with a Add-on when i used IPS support it deactivated them and all worked so i reactivated till i found problem one