An exception was thrown while Neos tried to render your page

The fusion path "page<Gmedia.CoreSite:Page>/body<Neos.Fusion:Template>/content/main<Neos.Neos:PrimaryContent>/default<Neos.Fusion:Matcher>/renderer<Neos.Neos:ContentCollection>/content<Neos.Neos:ContentCollectionRenderer>/itemRenderer<Neos.Neos:ContentCase>/default<Neos.Fusion:Matcher>/element<Gmedia.CoreSite:Container>/content" cannot be rendered. Either no fusion object defined or the object does not exist.

page<Gmedia.CoreSite:Page>/ body<Neos.Fusion:Template>/ content/ main<Neos.Neos:PrimaryContent>/ default<Neos.Fusion:Matcher>/ renderer<Neos.Neos:ContentCollection>/ content<Neos.Neos:ContentCollectionRenderer>/ itemRenderer<Neos.Neos:ContentCase>/ default<Neos.Fusion:Matcher>/ element<Gmedia.CoreSite:Container>/ content/