Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, class "WP_Duotone" not found in /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-includes/class-wp-hook.php:308 Stack trace: #0 /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array) #1 /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-includes/blocks.php(498): apply_filters('block_type_meta...', Array, Array) #2 /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-includes/blocks/legacy-widget.php(59): register_block_type_from_metadata('/home/clients/a...', Array) #3 /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-includes/class-wp-hook.php(308): register_block_core_legacy_widget('') #4 /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #5 /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #6 /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-settings.php(617): do_action('init') #7 /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-config.php(101): require_once('/home/clients/a...') #8 /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-load.php(50): require_once('/home/clients/a...') #9 /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-blog-header.php(13): require_once('/home/clients/a...') #10 /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/index.php(17): require('/home/clients/a...') #11 {main} thrown in /home/clients/ad183b427541641bacf275526a728650/sites/mcpi-inc.com/wp-includes/class-wp-hook.php on line 308