wordpress error | WordPress.org

This website was just fine for a year now but it just display these error, i have tried to figure out but failed

Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, class “WP_Duotone” not found in /home3/bposa69t/public_html/wp-includes/class-wp-hook.php:310 Stack trace: #0 /home3/bposa69t/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array) #1 /home3/bposa69t/public_html/wp-includes/blocks.php(542): apply_filters(‘block_type_meta…’, Array, Array) #2 /home3/bposa69t/public_html/wp-includes/blocks/legacy-widget.php(59): register_block_type_from_metadata(‘/home3/bposa69t…’, Array) #3 /home3/bposa69t/public_html/wp-includes/class-wp-hook.php(310): register_block_core_legacy_widget(”) #4 /home3/bposa69t/public_html/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array) #5 /home3/bposa69t/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #6 /home3/bposa69t/public_html/wp-settings.php(623): do_action(‘init’) #7 /home3/bposa69t/public_html/wp-config.php(96): require_once(‘/home3/bposa69t…’) #8 /home3/bposa69t/public_html/wp-load.php(50): require_once(‘/home3/bposa69t…’) #9 /home3/bposa69t/public_html/wp-blog-header.php(13): require_once(‘/home3/bposa69t…’) #10 /home3/bposa69t/public_html/index.php(17): require(‘/home3/bposa69t…’) #11 {main} thrown in /home3/bposa69t/public_html/wp-includes/class-wp-hook.php on line 310

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