Please state what device and what OS you're using
I'm on iPad 8th gen, iOS 15.3
I have no issue
I'll put this thread on the CMs radar, with a note about urgency
If it is possible, try using mobile data, it works for some
Contact Firemonkeys support: https://help.firemonkeys.com.au/hc/en-us/requests/new or get there in game: green ... button at the bottom of the screen; Talkbubble with ?
I personally can not sign in with chrome or safari, so you might need to try different browsers (I use Edge)
Or contact support via FB or Twitter, links are at the bottom of the page