Already existed mobile number
If you find that your entered mobile number has been existed already, then enter different number.
Already existed email-id
If you find that your entered email-id has been existed, then Register with another email-id.
If you find the error like blank box :
In registration process, you did not tick in the checkbox of “I Accept Terms & Privacy” and “ I’m not robot ” .
An error of verification expired :
If you find the error of verification expired, then you have to click on the checkbox two times and then you have to verify images and click on them.After that you have to click on Verify.