Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method wp_media_tags_plugin::media_tags_textdomain() cannot be called statically in /customers/7/7/0/evapalmen.nl/httpd.www/wp-includes/class-wp-hook.php:303
Stack trace:
#0 /customers/7/7/0/evapalmen.nl/httpd.www/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters(NULL, Array)
#1 /customers/7/7/0/evapalmen.nl/httpd.www/wp-includes/plugin.php(470): WP_Hook->do_action(Array)
#2 /customers/7/7/0/evapalmen.nl/httpd.www/wp-settings.php(578): do_action('init')
#3 /customers/7/7/0/evapalmen.nl/httpd.www/wp-config.php(90): require_once('/customers/7/7/...')
#4 /customers/7/7/0/evapalmen.nl/httpd.www/wp-load.php(50): require_once('/customers/7/7/...')
#5 /customers/7/7/0/evapalmen.nl/httpd.www/wp-blog-header.php(13): require_once('/customers/7/7/...')
#6 /customers/7/7/0/evapalmen.nl/httpd.www/index.php(17): require('/customers/7/7/...')
#7 {main}
  thrown in /customers/7/7/0/evapalmen.nl/httpd.www/wp-includes/class-wp-hook.php on line 303