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I setup this plugin in my website and it’s working fine with WPBakery Page Builder. but suddenly when I saving the post then warning message is displayed. “Warning: Undefined array key “s_blockqoute_checkbox” in /home/httpd/vhosts/romtec.ch/raeber.romtec.ch/wp-content/plugins/easy-table-of-contents/includes/class.admin.php on line 898″
I used this shortcode “[ez-toc header_label=”Inhaltsverzeichnis”]” in Editor.
Screenshots: https://prnt.sc/c3dmOZjnwUiI , https://prnt.sc/JxFTqThKe4EU
Please help me to resolve this issue