А что сделали?У меня та же проблема!
Fatal error: Uncaught exception 'PDOException' with message 'could not find driver' in /home/*****/public_html/revgen/system/vendor/idiorm.php:228 Stack trace: #0 /home/*****/public_html/revgen/system/vendor/idiorm.php(228): PDO->__construct('mysqli:host=loc...', '*****_*****', '********', Array) #1 /home/*****/public_html/revgen/system/vendor/idiorm.php(210): ORM::_setup_db('default') #2 /home/****/public_html/revgen/application/classes/controller/tools.php(20): ORM::for_table('oc_category_des...') #3 [internal function]: Tools->action_reviews() #4 /home/******/public_html/revgen/system/classes/route.php(81): ReflectionMethod->invokeArgs(Object(Tools), Array) #5 /home/*****/public_html/revgen/application/bootstrap.php(21): Route::run() #6 /home/*****/public_html/revgen/index.php(26): require('/home/*****/...') #7 {main} thrown in /home/*****/public_html/revgen/system/vendor/idiorm.php on line 228