V8Exception msg='TypeError: Cannot call method 'filter' of undefined' v8_stacktrace='TypeError: Cannot call method 'filter' of undefined at Object.__myself__ [as Main] (Template::Widget.Buybox.Main::hey-publishing_Buybox.gtpl:18:19) at Object.__myself__ [as INSIDE_LISTITEM] (Template::Page.GenreCatalog.buybutton::hey-genre-catalog.gtpl:8:29) at Object.__myself__ [as Main] (Template::Widget.ObjectList.Item.Document.Main::hey-publishing-autor.gtpl:35:39) at Object.__myself__ [as Object] (Template::Widget.ObjectList.Item.Object::Widgets/ObjectList.gtpl:38:49) at eval (Template::Widget.ObjectList.Main::Widgets/ObjectList.gtpl:15:40) at Object.__myself__ [as Main] (Template::Widget.ObjectList.Main::Widgets/ObjectList.gtpl:24:4) at eval (Template::Page.GenreCatalog.Main::hey-genre-catalog.gtpl:17:35) at Object.__myself__ [as PAGEMAIN] (Template::Page.GenreCatalog.Main::hey-genre-catalog.gtpl:18:5) at Object.__myself__ [as RightSidebar] (Template::Structure.Layout.RightSidebar::hey-publishing.gtpl:23:32) at __myself__ (Template::Structure.Scaffold::hey-publishing.gtpl:85:33)'