Fatal error: Uncaught Error: Call to undefined function WPFront\URE\Taxonomies\is_taxonomy_viewable() in /www/htdocs/w0157740/dfc-freiburg.eu/wp-content/plugins/wpfront-user-role-editor/includes/taxonomies/class-taxonomies.php:912 Stack trace: #0 /www/htdocs/w0157740/dfc-freiburg.eu/wp-content/plugins/wpfront-user-role-editor/includes/taxonomies/class-taxonomies.php(98): WPFront\URE\Taxonomies\WPFront_User_Role_Editor_Taxonomies->get_all_taxonomies_data() #1 /www/htdocs/w0157740/dfc-freiburg.eu/wp-includes/class-wp-hook.php(298): WPFront\URE\Taxonomies\WPFront_User_Role_Editor_Taxonomies->register_taxonomy('') #2 /www/htdocs/w0157740/dfc-freiburg.eu/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array) #3 /www/htdocs/w0157740/dfc-freiburg.eu/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #4 /www/htdocs/w0157740/dfc-freiburg.eu/wp-settings.php(449): do_action('init') #5 /www/htdocs/w0157740/dfc-freiburg.eu/wp-config.php(90): require_once('/www/htdocs/w01...') #6 /www/htdocs/w0157740/dfc-freiburg.e in /www/htdocs/w0157740/dfc-freiburg.eu/wp-content/plugins/wpfront-user-role-editor/includes/taxonomies/class-taxonomies.php on line 912