PHP notices

Notice Undefined index: tag-egoi wp-content/plugins/smart-marketing-for-wp/includes/class-egoi-for-wp-widget.php:28 Notice Undefined index: double_optin wp-content/plugins/smart-marketing-for-wp/includes/class-egoi-for-wp-widget.php:29 Notice Undefined index: tag wp-content/plugins/smart-marketing-for-wp/public/class-egoi-for-wp-public.php:95 Notice Undefined index: tag-egoi wp-content/plugins/smart-marketing-for-wp/public/class-egoi-for-wp-public.php:100 Notice Undefined index: lang wp-content/plugins/smart-marketing-for-wp/public/class-egoi-for-wp-public.php:149 Notice Undefined index: double_optin wp-content/plugins/smart-marketing-for-wp/public/class-egoi-for-wp-public.php:151 Notice Undefined variable: tab_bar wp-content/plugins/smart-marketing-for-wp/public/class-egoi-for-wp-public.php:242 Notice Undefined index: tag wp-content/plugins/smart-marketing-for-wp/includes/class-egoi-for-wp-widget.php:65 Notice Undefined index: en wp-content/plugins/smart-marketing-for-wp/includes/class-egoi-for-wp-widget.php:181 Notice Trying to get property ‘title’ of non-object wp-content/plugins/smart-marketing-for-wp/includes/campaignwidget/campaign-widget.php:184 Hello, Anyone? Em concordância com o vosso cliente decidimos inactivar este plugin até que sejam corrigidos estes erros que nos estão a poluir os logs. Está aí alguém?