XSD is missing 'webdir' element for installation descriptor

Description

There came in a report related to a missing webdir element not been accepted by the compiler:

I've an istallation package I created with IzPack 4 and migrated to 5.0.0-rc2 and it works.
I use the Maven plugin to create the installer.
Now I'm trying to migrate to 5.0.7 but I get the following error :

and the build fails.
What's wrong ?
Tks
Tullio

Environment

None

Assignee

René Krell

Reporter

René Krell

Impact

None

Components

Sprint

None

Fix versions

Affects versions

Priority

Highest
Configure