If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4coAVg6S9xE4rPDeEshwTi3srHYCWDHLdhiTZkPEv2BqHsNiynFMBY6c2y3yvK8AsYVkcS9Lz3cH7FkfDwFpBaxVSYy6VHMzsXeyhk91epsKzveuRreexVWWMjdV6hH4PyQ42CxXoao1akdZPSewSuU4zbX8irTTJYGNBczU7mbQ3c4qiZCATFxyU1U6PZPGvmyJD7r85pdJUWVibAHftyRQ
You can also try to pass an automatic check but with no guarantee.