Groove agent se4 on cubase 8, GAse4,beatdsgnr, drummapping..

Hi on Cubase 8, am using Groove Agent se 4 & Ive opened beat designer in it & tried to “create drum map from instrument” - but that bit on the tab below the groove agent side bar box is greyed out, so I cant create the drum map from the instrument, so beat designer wont work with the right samples. all my samples are in my groove agent, is on the 4th box of selected sample kits on the groove agent. hrmm…