On-sale filter not work on WP Astra theme

Hi, I nead ASAP help with ON SALE filter , all other created filter works well, but this one not ?? I create filter by Custom field exist and meta key _sale_price, and this do nothing…This option didnt read on sale product count, at all (zero on sale products), but in shop we have about 100 products on sale now??!! How to fix this, theme is WP Astra and Elementor PB.

Any solution for this problem??

Thanks in advance!!

• This topic was modified 1 year, 8 months ago by dvaA.