Previewing an entry shows nothing

• Type: Bug
• Status: Closed
• Resolution: Won't Fix
• Affects Version/s: 6.0.X EE
• Fix Version/s: 6.0.X EE
• Component/s: WCM, WCM > Publication, WCM > Publication > Web Content Display
• Labels: None

1. Login as admin
2. Press Manage Entries
3. Press add entry
4. fill the title, content,... fields
5. click on preview

Another page opens but no content or title to preview.