I received a similar error when attempting to search:
Fatal error: Allowed memory size of 25165824 bytes exhausted at (null):0 (tried to allocate 129 bytes) in /home/site/flyertalk.com/www/forum/search.php on line 810
Fatal error: Allowed memory size of 25165824 bytes exhausted at (null):0 (tried to allocate 0 bytes) in Unknown on line 0