Claim page for multiple ERC-721

Hi, I created a claim page for 50 ERC-721 tokens with different IDs and metadata. But on my claim page I only see the very first one. It says there are 50, how do I cycle through them? I want to confirm it will work properly when mint goes live…

this is what i see when attempting to create a claim page. How exactly do I START the page off by uploading a CSV? I only see the option to add the CSV AFTER the fact…

This feature is available only after the claim page is deployed. It can be done before the page goes live but the page will need to be deployed first to get to that screen.