Could not transfer artifact org.crossmobile.ca.androidx.core:core:jar:1.3.0
from/to maven-default-http-blocker (http://0.0.0.0/):
Blocked mirror for repositories:
[crossmobile (http://mvn.crossmobile.org/content/repositories/crossmobile/,
default, releases+snapshots)]
The repo url: https://mvn.crossmobile.org/content/repositories/crossmobile/ is 404
and maven returns :