Hi, I have a similar problem. All pages work great, but the single page shop no. This page isn’t available to edit. No appear sidebar and is full page width.

You can see the image: http://regalva.com/wp-content/uploads/2014/10/Captura-de-pantalla-2014-10-18-a-las-13.00.18.png

I hope I can explain well.

Thanks.