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 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-includes/class-wp-hook.php:308
Stack trace:
#0 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()
#1 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-includes/plugin.php(517): WP_Hook->do_action()
#2 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-includes/pluggable.php(48): do_action()
#3 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-includes/user.php(3622): wp_set_current_user()
#4 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-includes/pluggable.php(70): _wp_get_current_user()
#5 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-includes/class-wp.php(650): wp_get_current_user()
#6 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-settings.php(610): WP->init()
#7 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-config.php(81): require_once('/homepages/4/d7...')
#8 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-load.php(50): require_once('/homepages/4/d7...')
#9 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-blog-header.php(13): require_once('/homepages/4/d7...')
#10 /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/index.php(17): require('/homepages/4/d7...')
#11 {main}
thrown in /homepages/4/d739496594/htdocs/clickandbuilds/Focusgroups/wp-includes/class-wp-hook.php on line 308