Getting error when trying to use rancher

getting this error when creating containers
Removed (Failed to find network for networkMode managed)

Are you using 1.2.0-pre4-rcX?

Please see

https://github.com/rancher/rancher/issues/6573

yes was using pre4-rcX?

I’m still having issues after upgrading to 1.2.0 latest stable

“Failed to find network for networkMode managed”