After uploading configurable products with 15-20 variants(300+ products), uploading is also done without any error. Products are showing in detail page but when we click and try to go thorough category page it reflect this error "This page isn’t working example.domain.com is currently unable to handle this request.
HTTP ERROR 500"
Also would like to inform you that we have not used any plugin and custom theme. We request you to please look into this issue and try to guide us in resolving the same.
After clicking on below link error is displayed
Link: https://4d971d9a1b.nxcli.net/cakes/heart-cakes.html
Error screenshot attached below.