Fatal error: Uncaught TypeError: ksort(): Argument #1 ($array) must be of type array, WP_Hook given in /customers/2/6/1/laererstud.dk/httpd.www/wp-content/plugins/bbpress/includes/core/template-functions.php:316
Stack trace:
#0 /customers/2/6/1/laererstud.dk/httpd.www/wp-content/plugins/bbpress/includes/core/template-functions.php(316): ksort(Object(WP_Hook))
#1 /customers/2/6/1/laererstud.dk/httpd.www/wp-content/plugins/bbpress/includes/core/template-functions.php(65): bbp_get_template_stack()
#2 /customers/2/6/1/laererstud.dk/httpd.www/wp-content/plugins/bbpress/includes/core/template-loader.php(162): bbp_locate_template('bbpress-functio...', true)
#3 /customers/2/6/1/laererstud.dk/httpd.www/wp-includes/class-wp-hook.php(287): bbp_load_theme_functions('')
#4 /customers/2/6/1/laererstud.dk/httpd.www/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(Object(WP_Roles), Array)
#5 /customers/2/6/1/laererstud.dk/httpd.www/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#6 /customers/2/6/1/laererstud.dk/httpd.www/wp-content/plugins/bbpress/includes/core/sub-actions.php(345): do_action('bbp_after_setup...')
#7 /customers/2/6/1/laererstud.dk/httpd.www/wp-includes/class-wp-hook.php(287): bbp_after_setup_theme('')
#8 /customers/2/6/1/laererstud.dk/httpd.www/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters('', Array)
#9 /customers/2/6/1/laererstud.dk/httpd.www/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#10 /customers/2/6/1/laererstud.dk/httpd.www/wp-settings.php(535): do_action('after_setup_the...')
#11 /customers/2/6/1/laererstud.dk/httpd.www/wp-config.php(90): require_once('/customers/2/6/...')
#12 /customers/2/6/1/laererstud.dk/httpd.www/wp-load.php(37): require_once('/customers/2/6/...')
#13 /customers/2/6/1/laererstud.dk/httpd.www/wp-blog-header.php(13): require_once('/customers/2/6/...')
#14 /customers/2/6/1/laererstud.dk/httpd.www/index.php(17): require('/customers/2/6/...')
#15 {main}
  thrown in /customers/2/6/1/laererstud.dk/httpd.www/wp-content/plugins/bbpress/includes/core/template-functions.php on line 316