Fatal error: Uncaught Error: Call to undefined function cache_users() in /homepages/20/d245811007/htdocs/service-import/wp-includes/class-wp-user-query.php:843 Stack trace: #0 /homepages/20/d245811007/htdocs/service-import/wp-includes/class-wp-user-query.php(79): WP_User_Query->query() #1 /homepages/20/d245811007/htdocs/service-import/wp-includes/user.php(763): WP_User_Query->__construct(Array) #2 /homepages/20/d245811007/htdocs/service-import/wp-content/plugins/stm-post-type/stm-post-type.php(260): get_users(Array) #3 /homepages/20/d245811007/htdocs/service-import/wp-settings.php(447): include_once('/homepages/20/d...') #4 /homepages/20/d245811007/htdocs/service-import/wp-config.php(98): require_once('/homepages/20/d...') #5 /homepages/20/d245811007/htdocs/service-import/wp-load.php(50): require_once('/homepages/20/d...') #6 /homepages/20/d245811007/htdocs/service-import/wp-blog-header.php(13): require_once('/homepages/20/d...') #7 /homepages/20/d245811007/htdocs/service-import/index.php(17): require('/homepages/20/d...' in /homepages/20/d245811007/htdocs/service-import/wp-includes/class-wp-user-query.php on line 843