Fatal error: Uncaught ArgumentCountError: array_merge() does not accept unknown named parameters in /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-includes/widgets.php:1261
Stack trace:
#0 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-includes/widgets.php(1261): array_merge(wp_inactive_widgets: Array, sidebar-1: Array, sidebar-2: Array)
#1 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-includes/widgets.php(1216): retrieve_widgets(true)
#2 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-includes/class-wp-hook.php(289): _wp_sidebars_changed('BloxPro2')
#3 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#4 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#5 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-includes/theme.php(2977): do_action('after_switch_th...', 'BloxPro2', Object(WP_Theme))
#6 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-includes/class-wp-hook.php(287): check_theme_switched('')
#7 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#8 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#9 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-settings.php(540): do_action('init')
#10 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-config.php(91): require_once('/customers/8/b/...')
#11 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-load.php(37): require_once('/customers/8/b/...')
#12 /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-blog-header.php(13): require_once('/customers/8/b/...')
#13 /customers/8/b/a/hakanolsen.se/httpd.www/wp/index.php(17): require('/customers/8/b/...')
#14 {main}
  thrown in /customers/8/b/a/hakanolsen.se/httpd.www/wp/wp-includes/widgets.php on line 1261