[plt-scheme] Internal PLaneT error: trying to install already-installed package

This is a known bug that has been fixed in our sources.  We plan to
release the fix soon.  Sorry for the inconvenience.

--Carl

On Wed, Jun 18, 2008 at 3:54 PM, nymbyl at gmail.com <nymbyl at gmail.com> wrote:
> I'm trying to use the new DrScheme 4.0 installing the pgsql schematics
> Planet package
>
> (require (planet "spgsql.ss" ("schematics" "spgsql.plt" 2 3)))
>
> gives me the following error:
>
> Internal PLaneT error: trying to install already-installed package
>
> and will not run any code after that.
>
> I was curious if anyone else has encountered this error?
>
> I tried it both on Windows XP and Mac OS X 10.5.2.   If I comment out
> the check that throws the error in "collects/planet/resolver.ss" it
> just returns a void package - even though I can see all the files
> there in ~/PLT Scheme/planet/300/packages and ~/PLT Scheme/planet/
> 300/4.0/cache.
>
> Does anybody have any ideas why this would be happening?