Fatal error: Uncaught RuntimeException: Source class "\WeltPixel\Backend\Model" for "WeltPixel\Backend\Model\Logger" generation does not exist. in /var/www/html/vendor/magento/framework/Code/Generator.php:185 Stack trace: #0 /var/www/html/vendor/magento/framework/Code/Generator.php(112): Magento\Framework\Code\Generator->tryToLoadSourceClass('WeltPixel\\Backe...', Object(Magento\Framework\ObjectManager\Profiler\Code\Generator\Logger)) #1 /var/www/html/vendor/magento/framework/Code/Generator/Autoloader.php(35): Magento\Framework\Code\Generator->generateClass('WeltPixel\\Backe...') #2 [internal function]: Magento\Framework\Code\Generator\Autoloader->load('WeltPixel\\Backe...') #3 /var/www/html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(111): spl_autoload_call('WeltPixel\\Backe...') #4 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('WeltPixel\\Backe...', Array) #5 /var/www/html/vendor/magento/framewo in /var/www/html/vendor/magento/framework/Code/Generator.php on line 185