お世話になります。

サブディレクトリにインストールしたWPをルートディレクトリに表示するように変更したら、SWELLのカスタマイズ画面でエラーが発生するようになりました。

サイト自体の表示は問題なくできています。

どこを修正すれば良いかご教示願います。

Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /home/zop/ai-side-job.com/public_html/wp/wp-content/plugins/useful-blocks/class/Style.php:123 Stack trace: #0 /home/zop/ai-side-job.com/public_html/wp/wp-content/plugins/useful-blocks/class/Style.php(146): Ponhiro_Blocks\Style::post_style() #1 /home/zop/ai-side-job.com/public_html/wp/wp-content/plugins/useful-blocks/inc/enqueue.php(19): Ponhiro_Blocks\Style::output('front') #2 /home/zop/ai-side-job.com/public_html/wp/wp-includes/class-wp-hook.php(324): Ponhiro_Blocks\hook__wp_enqueue_scripts('') #3 /home/zop/ai-side-job.com/public_html/wp/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #4 /home/zop/ai-side-job.com/public_html/wp/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /home/zop/ai-side-job.com/public_html/wp/wp-includes/script-loader.php(2265): do_action('wp_enqueue_scri...') #6 /home/zop/ai-side-job.com/public_html/wp/wp-includes/class-wp-customize-manager.php(457): wp_enqueue_scripts() #7 /home/zop/ai-side-job.com/public_html/wp/wp-includes/class-wp-customize-manager.php(556): WP_Customize_Manager->wp_die(0, 'Non-existent ch...') #8 /home/zop/ai-side-job.com/public_html/wp/wp-includes/class-wp-hook.php(324): WP_Customize_Manager->setup_theme('') #9 /home/zop/ai-side-job.com/public_html/wp/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #10 /home/zop/ai-side-job.com/public_html/wp/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #11 /home/zop/ai-side-job.com/public_html/wp/wp-settings.php(625): do_action('setup_theme') #12 /home/zop/ai-side-job.com/public_html/wp/wp-config.php(96): require_once('/home/zop/ai-si...') #13 /home/zop/ai-side-job.com/public_html/wp/wp-load.php(50): require_once('/home/zop/ai-si...') #14 /home/zop/ai-side-job.com/public_html/wp/wp-blog-header.php(13): require_once('/home/zop/ai-si...') #15 /home/zop/ai-side-job.com/public_html/index.php(17): require('/home/zop/ai-si...') #16 {main} thrown in /home/zop/ai-side-job.com/public_html/wp/wp-content/plugins/useful-blocks/class/Style.php on line 123