I know this is an older thread but I've been going nuts trying to solve the same error message mentioned earlier. I'm trying to install Turo and Uber under a second profile using Aurora Store and when that failed, then Google Play. My OS is up to date; all apps are "allowed" under permissions; my VPN is turned off; I have only automatic DNS settings--nothing custom. The message reads:
java.net.UnknownHostException: Unable to resolve host "apps.grapheneos.org": No address associated with hostname
I am new to Graphene so entirely possible I've missed something obvious. Any ideas?? Thanks.