If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhPFcY2dAa33CuGVh7JvoiecXqfikxYnjThJvAmQKVdom5758GSkbiy2UW682Jsoabb417B4DCUjbjHKniFfL8bxCPLKh7Pp2KnZ4xfQnoYcP332WhbEUDP2nCQugaQUSokC1gt7mRyi9FbHxy6vL8zWQsbB2J3CerjCZUtHF3jyDo1Lvm5AXyChoAcv2kQSaffpYtuXwU
You can also try to pass an automatic check but with no guarantee.