Solution : https://service.sap.com/sap/support/notes/443720 (SAP Service marketplace login required)
Key words : 
directory /general/misc/km/note0443720/kw51, directory /general/misc/km/ /note0443720/kw40, terms knowledge warehouse, symptom problems occur, file system level, print training courses, information objects reason, information objects, print file, caused problems
Related Notes : 
       
| 365609 | Printing structures with multimedia objects | 
| 312270 | Collective note: Printing with Knowledge Warehouse |