I can not make the seach work, keep getting:

"Fatal error: Allowed memory size of 75497472 bytes exhausted at (null):0 (tried to allocate 35 bytes) in /home/site/flyertalk.com/www/forum/search.php on line 946

Fatal error: Allowed memory size of 75497472 bytes exhausted at (null):0 (tried to allocate 40 bytes) in Unknown on line 0"