Post New Thread not working

[Sharriel]

All of a sudden, when we go to our site www.CouponWithCents.com and click on a forum, it doesn't show where we can post a new thread.

For example, if you go here:
http://couponwithcents.com/forum/forumdisplay.php?f=15

It just takes us to The What's Going On page.

Do you have any ideas?

[Dave]

Have you tried disabling all your plugins?

[Sharriel]

Yes. Still doing it :(

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EVery other aspect of the site is working except for being able to post new threads,

[final kaoss]

The general rule of thumb is to

*Disable all plugins (https://www.vbulletin.com/docs/html/disable_plugins)
*Use the default skin & see if the issue persists

[snakes1100]

Also check your group permissions & make sure the groups can actually start new threads.