Hi Rolly, and thanks for replying:

"Have you off-loaded any of the Project Server machine configurations?

Such as Views Processing, Session Manager and Front-End on separate
machines? Or even a 2-way or 3-way database partition on a separate SQL
Server?

Plus the Service Pack needs to be installed in the following order:

1. SQL Server --> ProjectServer2003-KB887621-SQLFile-ENU.exe
2. Project Server --> ProjectServer2003SP2-KB887621-FullFile-ENU.exe
3. WSS (templates) --> ProjectServer2003-KB887621-WSSFILE-ENU.exe

Let us know how it turns out "
No, the server is a 2 server installation, with SQL on the one machine
and Sharepoint and Project Server 2003 on the other one. I performed
the installation as you described above - in that precise order.

Hi Gaurav:

"Did you tried recreating the new view with the same filter.

Let me know. "

Yes, i indeed did try that. I deleted the old view and created a new
on with the Resource Type filter and got precisely the same error.

Thanks for replying so far, folks. I do not think, however, that this
is something as simple as that, and it may even be strictly related to
our enviroment only. I would actually like to know as well whether you
guys have deployed SP2 in all seriousness yet, and have you had any
issues?

Thanks
Nico