Fatal error: Uncaught Error: Class 'MetaBox\Integrations\Block' not found in /wp-content/plugins/meta-box/inc/loader.php:117 Stack trace: #0 /wp-content/plugins/meta-box/meta-box.php(31): RWMB_Loader->init() #1 /wp-settings.php(522): include_once('/wp-content/plu...') #2 /wp-config.php(110): require_once('/wp-settings.ph...') #3 /wp-load.php(50): require_once('/wp-config.php') #4 /wp-blog-header.php(13): require_once('/wp-load.php') #5 /index.php(17): require('/wp-blog-header...') #6 {main} thrown in /wp-content/plugins/meta-box/inc/loader.php on line 117