alias rejection

[MoniesRemovalPLC]

i have tried to add an alias for a new site i want to play on, but it gets rejected?? the username is the same username i have assigned as one of my other playername alias' from a different site - not sure if this affects it but i wouldnt have thought so since they are both from different sites. heres the error popup i get...
[ img ]

[kraada]

Please restart PT3 with the Logging Enabled link, reproduce and report this problem so that we can investigate further for you.