Serius Problem Credits

No, I send sms is well formed. I did everything right ...
My mobile phone operator is compatible and everything.
The problem must be there, because that's all right I do.
The problem will be in Portugal? I think not, but if you look at the website.
You could see the problem? It's that i put the code and even tells me if I got the credits ..
Please ... I wanted to buy credits today!

Lengths.