Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "_wp_footnotes_kses_init" not found or invalid function name in /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-includes/class-wp-hook.php:308 Stack trace: #0 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #1 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-includes/plugin.php(517): WP_Hook->do_action() #2 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-includes/pluggable.php(48): do_action() #3 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-includes/user.php(3622): wp_set_current_user() #4 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-includes/pluggable.php(70): _wp_get_current_user() #5 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-includes/capabilities.php(873): wp_get_current_user() #6 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-content/plugins/enable-media-replace/classes/emr-plugin.php(46): current_user_can() #7 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-includes/class-wp-hook.php(308): EnableMediaReplace\EnableMediaReplacePlugin->runtime() #8 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #9 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-includes/plugin.php(517): WP_Hook->do_action() #10 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-settings.php(486): do_action() #11 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-config.php(89): require_once('/var/www/vhosts...') #12 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-load.php(50): require_once('/var/www/vhosts...') #13 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-blog-header.php(13): require_once('/var/www/vhosts...') #14 /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/index.php(17): require('/var/www/vhosts...') #15 {main} thrown in /var/www/vhosts/lichtoplicht.nl/webspace/httpdocs/lichtoplicht.nl/wp-includes/class-wp-hook.php on line 308