I am using Rockettheme Lexicon template, with Jomsocial and a range of components. I am now getting blank screens on some pages and I have a developer working on the website that said I should ask Rocket Theme for some support and supply you this code:
Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 36 bytes) in /usr/www/users/asaclmxrkd/libraries/gantry/core/utilities/gantrylesscompiler.class.php on line 1261