Fatal error: Uncaught TypeError: array_merge(): Argument #3 must be of type array, null given in /customers/7/4/f/danielgranerud.com/httpd.www/wp-includes/widgets.php:1354
Stack trace:
#0 /customers/7/4/f/danielgranerud.com/httpd.www/wp-includes/widgets.php(1354): array_merge(Array, Array, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL)
#1 /customers/7/4/f/danielgranerud.com/httpd.www/wp-includes/widgets.php(1299): retrieve_widgets(true)
#2 /customers/7/4/f/danielgranerud.com/httpd.www/wp-includes/class-wp-hook.php(326): _wp_sidebars_changed('X')
#3 /customers/7/4/f/danielgranerud.com/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#4 /customers/7/4/f/danielgranerud.com/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#5 /customers/7/4/f/danielgranerud.com/httpd.www/wp-includes/theme.php(3504): do_action('after_switch_th...', 'X', Object(WP_Theme))
#6 /customers/7/4/f/danielgranerud.com/httpd.www/wp-includes/class-wp-hook.php(324): check_theme_switched('')
#7 /customers/7/4/f/danielgranerud.com/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#8 /customers/7/4/f/danielgranerud.com/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#9 /customers/7/4/f/danielgranerud.com/httpd.www/wp-settings.php(704): do_action('init')
#10 /customers/7/4/f/danielgranerud.com/httpd.www/wp-config.php(96): require_once('/customers/7/4/...')
#11 /customers/7/4/f/danielgranerud.com/httpd.www/wp-load.php(50): require_once('/customers/7/4/...')
#12 /customers/7/4/f/danielgranerud.com/httpd.www/wp-blog-header.php(13): require_once('/customers/7/4/...')
#13 /customers/7/4/f/danielgranerud.com/httpd.www/index.php(17): require('/customers/7/4/...')
#14 {main}
  thrown in /customers/7/4/f/danielgranerud.com/httpd.www/wp-includes/widgets.php on line 1354