How to fix Error in Blogs

[nomoreturn]

hello every one i have problem in my site blgs i got this error plz help me to fix this thanks

Fatal error: Call to undefined function can_moderate_blog() in /home/mast****/public_html/includes/blog_functions_main.php on line 412

[Videx]

The blog is a standard vb add-on, so vb.com would be a better place to find a solution. In fact, if you had searched there you would have found the solution here (http://www.vbulletin.com/forum/showthread.php?332291) already.

[nomoreturn]

The blog is a standard vb add-on, so vb.com would be a better place to find a solution. In fact, if you had searched there you would have found the solution here (http://www.vbulletin.com/forum/showthread.php?332291) already.
Thanks for reply