Fatal error: Uncaught Error: Class 'SiteGround_Optimizer\Install_Service\Install_5_0_0' not found in /home/antoni90/public_html/wp-content/plugins/sg-cachepress/core/Install_Service/Install_Service.php:61 Stack trace: #0 /home/antoni90/public_html/wp-content/plugins/sg-cachepress/core/Install_Service/Install_Service.php(45): SiteGround_Optimizer\Install_Service\Install_Service->do_install() #1 /home/antoni90/public_html/wp-includes/class-wp-hook.php(288): SiteGround_Optimizer\Install_Service\Install_Service->install('') #2 /home/antoni90/public_html/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array) #3 /home/antoni90/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #4 /home/antoni90/public_html/wp-settings.php(523): do_action('init') #5 /home/antoni90/public_html/wp-config.php(76): require_once('/home/antoni90/...') #6 /home/antoni90/public_html/wp-load.php(37): require_once('/home/antoni90/...') #7 /home/antoni90/public_html/wp-blog-header.php(13): require_once('/home/antoni90/...') in /home/antoni90/public_html/wp-content/plugins/sg-cachepress/core/Install_Service/Install_Service.php on line 61