vbulletin.org -- search error

[svoec]

umm --every time I search, I get this---

Fatal error: Allowed memory size of 16777216 bytes exhausted (tried to allocate 1024 bytes) in /www/vbulletin.org/htdocs/forum/search.php on line 839

Fatal error: Allowed memory size of 16777216 bytes exhausted (tried to allocate 1024 bytes) in /www/vbulletin.org/htdocs/forum/includes/functions.php on line 496

[Paul M]

The search here is on it's last legs, and the longer they delay the move to 3.5 and fulltext searching, the worse it's going to get.