Fix an issue in wordpress.

I am using wordpress for my website my wordpress is unable to send emails. There is an error in my wordpress I have mention the error logs in my wordpress could you please check the error log and help solving this. Also I need anyone to create a customized customer support chat page in my wordpress website. Please check the error that my wordpress thrown for your [login to view URL] Details ============= An error of type E_ERROR was caused in line 237 of the file /opt/bitnami/apps/wordpress/htdocs/wp-content/plugins/zoho-mail/zohoMail.php. Error message: Uncaught Error: Cannot use object of type stdClass as array in /opt/bitnami/apps/wordpress/htdocs/wp-content/plugins/zoho-mail/[login to view URL] Stack trace: #0 /opt/bitnami/apps/wordpress/htdocs/wp-includes/[login to view URL](287): zmail_integ_settings_callback('') #1 /opt/bitnami/apps/wordpress/htdocs/wp-includes/[login to view URL](311): WP_Hook->apply_filters('', Array) #2 /opt/bitnami/apps/wordpress/htdocs/wp-includes/[login to view URL](478): WP_Hook->do_action(Array) #3 /opt/bitnami/apps/wordpress/htdocs/wp-admin/[login to view URL](254): do_action('toplevel_page_z...') #4 {main} thrown