MyBB Community Forums

Well, here's how this works, I recently installed the latest version of MyBB on my site, but when i go to post a thread, it says:
Fatal error: Call to undefined function update_thread_data() in /var/www/***********/inc/datahandlers/post.php on line 1180

How would I go about fixing that?

Hi,

Your copy of inc/functions.php is out of date for the version of MyBB you are using.

How did you install the latest version? Fom which version were you previously running?

The best solution for you is to download the latest version of MyBB from the website and upload inc/functions.php to your forums.

I suppose that might have happened when I installed the Red Bulletin Pro theme, I'll Download functions.php again, perform all the necessary edits to make the board display a YouTube MyCode Button, then re-upload it.
EDIT: RESOLVED