Try lopping first 1, then try 2 and then 3 digits off the beginning of the above number as the system is limited to a certain number of digits. Sorry I can't remember exactly how many.
If that doesn't help contact Technical Support. It's free and although phone support is only Mon - Fri the Online Chat is available 24/7 - linked under Useful Links at the top of this page.
I have reported your issue to the Mobile security team and they tried calling you many times but they are unable to reach. I have sent you a private message, we need more details so please reply back so that I will ask the support team to arrange you a call back. Thanks,