If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhPEww1EkJfvebaAgwJLd6v3toWqginuuwP8M8qnD8dFJj46KKi9Q4eMQSyzdwTcXc9a5y3fo3kXG6JybqupUH2ojrvAHXLpqANUyDQi4J1FiBbvcaruwuehdcK7AKLhbbsQnRraEHg4UWDupWJ2sSMnShhCBdrWouxnm63L2yrC2LBM5v7DTuwmwitDTKs3AkLPdAihJE
You can also try to pass an automatic check but with no guarantee.