Fatal error: Uncaught Error: Class "WPML_Upgrade_Run_All" not found in /home/oxygenco/prod/wordpress/wp-content/plugins/sitepress-multilingual-cms/classes/upgrade/commands/abstracts/DropIndexFromTable.php:5 Stack trace: #0 {main} thrown in /home/oxygenco/prod/wordpress/wp-content/plugins/sitepress-multilingual-cms/classes/upgrade/commands/abstracts/DropIndexFromTable.php on line 5