It seems that there is also a missing import with shadowGenerator:
“shadowGenerator.ts:719 Uncaught ShadowGeneratorSceneComponent needs to be imported before as it contains a side-effect required by your code.”
I made it myself for now. 
It seems that there is also a missing import with shadowGenerator:
“shadowGenerator.ts:719 Uncaught ShadowGeneratorSceneComponent needs to be imported before as it contains a side-effect required by your code.”
I made it myself for now.