version expected

[jocklei]

ERROR in Error: Metadata version mismatch for module D:/project/LUNZ-UI/node_modules/ng2-tree/index.d.ts, found version 4, expected 3, resolving symbol TreeviewDemoModule in D:/project/LUNZ-UI/src/app/treeview-demo/treeview-demo.module.ts, resolving symbol TreeviewDemoModule in D:/project/LUNZ-UI/src/app/treeview-demo/treeview-demo.module.ts

[jocklei]

What's all this about?

[Dylanchouxd]

i think the reason is your Angular Version is too lower.
you can try to upgrade your Angular Version then you try again. @leihg