Solution : https://service.sap.com/sap/support/notes/1169640 (SAP Service marketplace login required)
Key words :
master data deletionperformance reason, master data deletion functionality, master data deletion stops, - deleting transaction data selectively', 0 bi import support package 19, master data deletion, deleting master data, q- tables' fails, error message - 'lock, real-time infocube
Related Notes :
1261437 | New Master Data Deletion - Pilot Note |
1136884 | SAPBINews NW7.00 BI ABAP Support Package 19 |