Davinci Resolve 15 Beta crash, if i press on fusion button

Hi,
i installed Davinci Resolve 15 Beta and if i press on the "Fusion Button", the program crashes. Does someone have also this issue and know a sollution?
cheers
i installed Davinci Resolve 15 Beta and if i press on the "Fusion Button", the program crashes. Does someone have also this issue and know a sollution?
cheers