A PHP Error was encountered

Severity: Notice

Message: Undefined property: CI::$db

Filename: core/Model.php

Line Number: 61

Fatal error: Uncaught Error: Call to a member function query() on null in /var/www/testsites/toucanapp2/httpdocs/system/cms/core/MY_Model.php:81 Stack trace: #0 /var/www/testsites/toucanapp2/httpdocs/system/codeigniter/core/Common.php(183): MY_Model->__construct() #1 /var/www/testsites/toucanapp2/httpdocs/addons/main/modules/bb_core/core/BB_Model.php(3): load_class('Model', 'core') #2 /var/www/testsites/toucanapp2/httpdocs/addons/main/modules/bb_core/helpers/bootstrap_helper.php(10): require_once('/var/www/testsi...') #3 /var/www/testsites/toucanapp2/httpdocs/system/cms/libraries/MX/Modules.php(152): include_once('/var/www/testsi...') #4 /var/www/testsites/toucanapp2/httpdocs/system/cms/libraries/MX/Loader.php(125): Modules::load_file('bootstrap_helpe...', 'addons/main/mod...') #5 /var/www/testsites/toucanapp2/httpdocs/system/cms/libraries/MX/Loader.php(131): MX_Loader->helper('bb_core/bootstr...') #6 /var/www/testsites/toucanapp2/httpdocs/system/cms/libraries/MX/Loader.php(112): MX_Loader->helpers(Array) #7 /var/www/test in /var/www/testsites/toucanapp2/httpdocs/system/cms/core/MY_Model.php on line 81