Activate Side-chain button not there on alot of my plugins

Hey guys, i have a problem that the activate side-chain, button on for example fabfilter pro-c2 aint there, i dont got this problem in cubase 8.5 but if i open cubase 9 i cant activate side-chain, this problem seem to affect alot of my plugins, atleast fabfilters. have the latest versions on Everything.

anyone have a solution?