Fatal error: Uncaught Error: Class 'Ess_M2ePro_Model_Upgrade_MySqlSetup' not found in /var/www/www.musicbros.net/htdocs/app/code/core/Mage/Core/Model/Resource/Setup.php:234
Stack trace:
#0 /var/www/www.musicbros.net/htdocs/app/code/core/Mage/Core/Model/App.php(428): Mage_Core_Model_Resource_Setup::applyAllUpdates()
#1 /var/www/www.musicbros.net/htdocs/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Model_App->_initModules()
#2 /var/www/www.musicbros.net/htdocs/app/Mage.php(686): Mage_Core_Model_App->run(Array)
#3 /var/www/www.musicbros.net/htdocs/index.php(111): Mage::run('default', 'store')
#4 {main}
thrown in /var/www/www.musicbros.net/htdocs/app/code/core/Mage/Core/Model/Resource/Setup.php on line 234