From Shaiya Wiki
Technical Issues >> Game Website
Web Item Mall
It seems that you do not have any characters. Please create a character before purchasing.
We apologize for the inconvenience, as players who have characters exclusively on the Etain server are experiencing this issue.
In order to resolve this problem, simply create a character on either Teos or Lailah! Do not worry as all items purchased from the web-mall are sent to your bank box, which is accessible from any server.