Just to confirm, is this the URL you’re using? It comes up fine for me. Might be a Flockstr bug?
https://www.flockstr.com/calendar/naddr1qqjrsd6xggcnxsek95m5vvp4956yv32y95urjv2x95cyywzpxeqnz3zp8qey...
It is. Probably something on my end. I have an old OS on this machine so I'll try it out on my laptop.
🤙🏼1