new thread not allowed

[Goomzee]

suddenly why i can't allowed to make new thread in my forum it's show me below error


403 - Permission Denied

You do not have permission to retrieve the URL or link you requested, /forums/newthread.php

Please inform the administrator of the referring page, http://www.mknexusonline.com/forums/newthread.php?do=postthread&f=68
if you think this was a mistake.

[kh99]

I'm not an expert in web server errors, but I think that one can be caused by a number of different permission problems. Maybe try checking the permissions on the file newthread.php and make sure they're the same as your other files.

[Goomzee]

same permission 644 but now it's works fine maybe when i add less 100 words thread works but when i made more then 100 works it's show me error