Fatal error: Uncaught Error: Class "RWMB_Loader" not found in /homepages/3/d4295699752/htdocs/die-basis-stimmt-ab-de_live/htdocs/wp-content/plugins/mb-custom-post-type/mb-custom-post-type.php:26
Stack trace:
#0 /homepages/3/d4295699752/htdocs/die-basis-stimmt-ab-de_live/htdocs/wp-includes/class-wp-hook.php(307): mb_cpt_load('')
#1 /homepages/3/d4295699752/htdocs/die-basis-stimmt-ab-de_live/htdocs/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#2 /homepages/3/d4295699752/htdocs/die-basis-stimmt-ab-de_live/htdocs/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#3 /homepages/3/d4295699752/htdocs/die-basis-stimmt-ab-de_live/htdocs/wp-settings.php(598): do_action('init')
#4 /homepages/3/d4295699752/htdocs/die-basis-stimmt-ab-de_live/wp-config.php(129): require_once('/homepages/3/d4...')
#5 /homepages/3/d4295699752/htdocs/die-basis-stimmt-ab-de_live/htdocs/wp-load.php(55): require_once('/homepages/3/d4...')
#6 /homepages/3/d4295699752/htdocs/die-basis-stimmt-ab-de_live/htdocs/wp-blog-header.php(13): require_once('/homepages/3/d4...')
#7 /homepages/3/d4295699752/htdocs/die-basis-stimmt-ab-de_live/htdocs/index.php(17): require('/homepages/3/d4...')
#8 {main}
thrown in /homepages/3/d4295699752/htdocs/die-basis-stimmt-ab-de_live/htdocs/wp-content/plugins/mb-custom-post-type/mb-custom-post-type.php on line 26