Solution : https://service.sap.com/sap/support/notes/872124 (SAP Service marketplace login required)
Key words : 
illegal memory access, 16  rscpeinval   invalid arguments, clustered tables edid2, unicode conversion r3load, r3load job running, database table 'umgcontainer', -unicode database, program r3load, job aborts, umgcontainer reason
Related Notes : 
       
| 447519 | Kernel patches for code pages, languages and locales |