[Zope] Error: The ZGadflyDA product must be installed

[J Cameron Cooper]

>
>
>I gave a look at the var/gadfly dir but it is empty (a problem of
>permissions? var has got the sticky bit on and it is owned by root).
>
>Any hints?
>
>Also, again, this problem does not occur with version 2.5.1. I follow
>the *same* steps and it work really well (the gadfly dir has got a demo
>dir with these two files: demo.gfd  ELVIS_SIGHTINGS.grl).
>  
>
May indeed be permissions. (Perhaps sticky bit not applied recursively?) 
Try var/gadfly owned by your Zope user.

            --jcc