Help really quick setup Server

[Rubtub420]

Trying to setup my server well... im trying to register it , but when i put in my Acct key : xxxxxx xxxxxx tells me its invaild?? Could anyone tell me what im doing wrong lead me the right way please.

Thanks

[gladimus]

Had the same issue, just did it about 10 times and typed in the code Vs Copy / paste