gemma's dashboard

i cant log on to my new number please help me with this. i already registered my new number to your rebtel website but when i tried log for the second time it wont go through and when i tried to register again does not go trough also. it says the number is already in use. i dont understand why it happen and i want to use it as much as possible. if you could give me the right solution for my problem of logging in, that would be great. Thank you.