Hi Paolaozzanoperez,

Thank you for contacting WPClever Support Forum. 

We’ve received your ticket. However, the description is not enough for us to find the cause of the problem. 

Please some more images or links of your products for us to check it from the frontend.

If possible, can you please provide a video recording of the process you create the smart collection to help us retrieve this issue for checking?

After receiving your information, I'll proceed to the next step. 

Best regards.