It is wery important, that your upload folder and subolders and images has the right permissions for webserver. If not, if you run Thumbnail regenerator plugin, something brakes and the_post_thumbnail failing to run correctly!
It is wery important, that your upload folder and subolders and images has the right permissions for webserver. If not, if you run Thumbnail regenerator plugin, something brakes and the_post_thumbnail failing to run correctly!