really annoyed
 

My users keep getting this error every time they post or try to reply to a thread

Your submission could not be processed because a security token was missing or mismatched.

If this occurred unexpectedly, please inform the administrator and describe the action you performed before you received this error.

Its written on a white page its really annoying

To troubleshoot this, please remove any hacks and disable your plugins, then see if you still have this problem.
Note: To temporarily disable the plugin system, edit config.php and add this line right under <?php

define('DISABLE_HOOKS', true);

If so, reupload all the original vB non-image files (except install.php). Make sure you upload these in ASCII format and overwrite the ones on the server.

If your problem still exists, please create a new Style with no Parent set. Now browse the forum using this new style, do you still have the same problems? If you are troubleshooting login or guest issues, you will need to set this style as board default in the vBulletin Options.

Ive dome everything you said and I still got the problem!

Please provide an URL and test login so we can see this.

You gaming skin isnt supported in your version of vbulletin.

Assault Squad WARS
Available for vBulletin versions: 3.6.4, 3.6.5, 3.6.6, 3.6.7, 3.6.8, 3.7.0

It dont have the security tokens applied, ask the site you purchased it from to fix it for you or apply the template edits manually yourself or upgrade to 3.7.0 and re-install your skin.