Product Labels Gon On Sale Page

i have a strange problem with product labels only "on sale" page

the product discount label is not there.

see attached pictures

1 home page on sale block "ok"

2 product page "ok"

2.a grid list

2.b scroller

3 on sale page no discount labels "not ok"

this block is missing in the page on sale. it is present all other pages.

- 71%




on the default page of cs cart there is this block

and in mine on sale page not there