[SOLVED] Products not showing in "Choose products" section

Hi,
i responded to you via email,
we were not capable of verifying your purchase with the email : office.askedesign@gmail.com
If you used a different email for the purchase, please mail it to us so we can reply you with the new version.

Kind Regards,
Indrit
AT409

I am trying to create a new calculator, but when I try to add a product, none of the available products show up in the list. I attached 2 pictures to show the issue. Please advice.