Solution : https://service.sap.com/sap/support/notes/156727 (SAP Service marketplace login required)
Key words :
dimensions additional key words tabart, user-defined data classes, bw data classes dfact, data classes dfact, database storage parameter, database storage parameters, writing infocube data, business information warehouse, default data class, data class appl1
Related Notes :
| 371413 | DB data class and size catgory for aggregate tables |