All these “one or more of your accounts” messages would be way more helpful if they actually told you which account they were talking about…
w
Watz
03/12/2021, 11:04 PM
The link to keep it is in the actual development-account. If you have one, you should have it available among your roles.
m
michoel
03/13/2021, 9:35 PM
Development accounts are different from sandboxes in that they come with no data at all, and no option to refresh. You used to get 3 development accounts for each sandbox.