Active Server Pages error 'ASP 0221'

Invalid @ Command directive

/Error/Error.aspx, line 1

The specified 'Register TagPrefix="brink" Namespace="Brinkster.ControlLib" Assembly="Brinkster.ControlLib, Version=1.1.0.0, Culture=neutral, PublicKeyToken=a29d0809d667f569" ' option is unknown or invalid.

Server object error 'ASP 0177 : 800401f3'

Server.CreateObject Failed

/Type-In-Your-File-Name-Here.asp, line 47

800401f3