Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, class "WP_Duotone" not found in /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-includes/class-wp-hook.php:307
Stack trace:
#0 /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-includes/plugin.php(191): WP_Hook->apply_filters(Array, Array)
#1 /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-includes/blocks.php(357): apply_filters('block_type_meta...', Array, Array)
#2 /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-includes/blocks/archives.php(115): register_block_type_from_metadata('/customers/e/0/...', Array)
#3 /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-includes/class-wp-hook.php(307): register_block_core_archives('')
#4 /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#5 /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#6 /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-settings.php(598): do_action('init')
#7 /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-config.php(113): require_once('/customers/e/0/...')
#8 /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-load.php(50): require_once('/customers/e/0/...')
#9 /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-blog-header.php(13): require_once('/customers/e/0/...')
#10 /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/index.php(17): require('/customers/e/0/...')
#11 {main}
  thrown in /customers/e/0/c/socialdemokraternavarmland.se/httpd.www/wp-includes/class-wp-hook.php on line 307