Sp2 GPO Problem

> I installed SP2 on a test machine, off of the production network. One of my
> co-workers added the machine to the production AD and edited a GPO with it.
> Now when we open a GPO I get the errors below. How do we fix this?
>
>
> The following error occurred in:
>
> \\domainname\sysvol\folder\policies\{GPO ID Number\adm\inetres.adm on line
> 158:
> error 51 Unexpected keyword
>
> Found: Supported
> Expected: Keyname, Valuename, part, valueon, valueoff, actionliston,
> actionlistoff, end, explain, clientext
>
> The File can not be loaded
>
>
> Then:
> The following entry in the [strings] section is too long and has been
> truncated.
>
> The peer name resolution protocl (pnrp) allows for distributed resolution of
> a name to an IPV6 address and port number. The protocol operates in the
> context of clouds; cloud is a set of peers that can communicate with each
> other using the same IPv6 scope. There are three types of clouds - global,
> site-local and link-local:\n\na) If a computer is connected to the Internet,
> it is