need help about making threads

[hydrothunder]

hi friends i have made a new forum .............
wen i try to create a thread i shows.............

Authorization code mismatch. Are you accessing this function correctly? Please go back and try again.

help me

hydrothunder Reviewed by hydrothunder on 14th Jul 2011. need help about making threads hi friends i have made a new forum ............. wen i try to create a thread i shows............. help me Rating: 5

[Virtual]

mostly it due chown error
are you in shared hosting or vps ?

[hydrothunder]

yep...... i fixed the problem........ but i have a nother problem....... i m unable to change the theme.........it shows ur folder contains files that is not related to themes