Solution : https://service.sap.com/sap/support/notes/1267287 (SAP Service marketplace login required)
Key words : 
termination brain x299 occurs, terms input-ready query, solution sap netweaver bi 7, 01 bi abap support package 03, input-ready query, sap netweaver bi 7, planning buffer reason, sap nw bi 7, 00 bi support package 20, 10 bi support package 8
Related Notes : 
       
| 1260072 | SAPBINews NW7.11 BI ABAP SP02 | 
| 1260071 | SAPBINews NW 7.10 BI ABAP Support Package 08 | 
| 1227875 | SAPBINews NW7.01 BI ABAP Support Package 03 | 
| 1146049 | Disaggregation and termination APPLY_SLICER_NODE-01 | 
| 1136885 | SAPBINews NetWeaver BI 7.00 ABAP Support Package 20 | 
| 1030896 | X299 in CL_RSR_RRK0_HIERARCHY and APPLY_SLICER_NODE-01 |