If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4k1NtT6ofHX4qNjNbHWcuxkNLwv1in3hjNMeyPJr2yAs63qHgfzZJjg1RAy7BkzkKPJiyL6vzDtUV159txjggZ5NBa1JwWhNUBfcHX2mZQ9MLVtKp4C2GtApFbr348qwJAx4sekAHcrptHB33ZR1TPDV7sXLZmLkW3ypjugwTQdwFpsD3Mpip4hQbitKmDJ87777ZpVtfVa2s5ND1NtPMWVe7qTHDf39CGX68xjdtU4jjoAFuQXwJ1RMuur8Y9pMqUsp1PCPQVjHaXzFNRSn
You can also try to pass an automatic check but with no guarantee.