Solution : https://service.sap.com/sap/support/notes/1137994 (SAP Service marketplace login required)
Key words : 
function keys -> freely assigned function keys, rsrt -> environment -> query mass maintenance, function key ctrl-f6, function key ctrl-f5, rsrt -> properties -> optimization mode = '9', 0 bi            import support package 18, function code ngenop, deactivate automatic regeneration, bex query designer, gui status stac
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| 1126007 | SAPBINews NW BI 7.10 ABAP SP06 |