Its sad to see that there is no response from Umbrel devs/community for more than 2 weeks.
I’m just hobbyist trying to help.
Are you sure you have enough memory on SSD?
You have to have your Bitcoin node fully synced, that could be an issue if you don’t, but you’ll have also an error message if thats the case.
You can try to check for answer in this posts:
There is also link to Umbrel’s Telegram community, if you are not there yet.