Solution : https://service.sap.com/sap/support/notes/1776186 (SAP Service marketplace login required)
Key words :
trexviadbsl, trexviadbslwithparameter, TREX_EXT_AGGREGATE, TREX_DBS_AGGREGATE, scaleout
Related Notes :
| 1798043 | SAP HANA BW: lock error on shared memory object |
| 1769670 | Important Notes for SAP BW powered by HANA on SP8 |
| 1716826 | Usage of the downward compatible kernel 721 (EXT) |