Fatal error: Uncaught Error: Call to a member function select() on boolean in /var/www/vhosts/allprepare.com/domains/allprepare.com/public_html/app/code/community/Aitoc/Aitsys/Model/Core/Database.php:177
Stack trace:
#0 /var/www/vhosts/allprepare.com/domains/allprepare.com/public_html/app/code/community/Aitoc/Aitsys/Model/Platform.php(197): Aitoc_Aitsys_Model_Core_Database->dbVersion()
#1 /var/www/vhosts/allprepare.com/domains/allprepare.com/public_html/app/code/community/Aitoc/Aitsys/Model/Platform.php(186): Aitoc_Aitsys_Model_Platform->_checkNeedCacheCleared()
#2 /var/www/vhosts/allprepare.com/domains/allprepare.com/public_html/app/code/community/Aitoc/Aitsys/Model/Platform.php(101): Aitoc_Aitsys_Model_Platform->__init()
#3 /var/www/vhosts/allprepare.com/domains/allprepare.com/public_html/app/code/community/Aitoc/Aitsys/Model/Observer.php(18): Aitoc_Aitsys_Model_Platform->getModules()
#4 /var/www/vhosts/allprepare.com/domains/allprepare.com/public_html/app/code/core/Mage/Core/Model/App.php(1374): Aitoc_Aitsys_Model_Obse in /var/www/vhosts/allprepare.com/domains/allprepare.com/public_html/app/code/community/Aitoc/Aitsys/Model/Core/Database.php on line 177