Solution : https://service.sap.com/sap/support/notes/1305638 (SAP Service marketplace login required)
Key words :
terms /sdf/rsoradld_newauxiliary storage quality informationabap_trans reason, object reps /sdf/rsoradld_newform additional_selects, insertion <<<< cutomer activated automatic download, deletion <<<<< deactivate automatic download, source code change >>>> start, bad storage quality, chained rows follow, average line length, ewa form additional_selects, storage quality