Fatal error: Uncaught Error: [] operator not supported for strings in /homepages/35/d113156013/htdocs/app368915529/wp-content/plugins/kolakube-email-forms/widget.php:75 Stack trace: #0 /homepages/35/d113156013/htdocs/app368915529/wp-includes/class-wp-widget-factory.php(100): kol_email_form->__construct() #1 /homepages/35/d113156013/htdocs/app368915529/wp-includes/widgets.php(115): WP_Widget_Factory->register('kol_email_form') #2 /homepages/35/d113156013/htdocs/app368915529/wp-content/plugins/kolakube-email-forms/kolakube-email-forms.php(98): register_widget('kol_email_form') #3 /homepages/35/d113156013/htdocs/app368915529/wp-includes/class-wp-hook.php(286): kol_email_forms->widgets('') #4 /homepages/35/d113156013/htdocs/app368915529/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #5 /homepages/35/d113156013/htdocs/app368915529/wp-includes/plugin.php(465): WP_Hook->do_action(Array) #6 /homepages/35/d113156013/htdocs/app368915529/wp-includes/widgets.php(1715): do_action('widgets_init') #7 /homepages/ in /homepages/35/d113156013/htdocs/app368915529/wp-content/plugins/kolakube-email-forms/widget.php on line 75