If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: tktUHX7mSKBdvQCNVMNPhtZNFuchBRLg2J2mRFJ8YMhYAh9R1NS1i3MmQp89VQ1qgKRWumzovvvzxf4JbjbSz4TbrfLhi9TsTLkYwhZ4QfVyDs5a3Ub1L9KfsKoPX7ScQxPB5PiQPchNrW5PiQhqTfdp
You can also try to pass an automatic check but with no guarantee.