New version of BJS camera error

Hi, last time i post three bugs. Today i want to start with develop next features to my game. Begin from update babylon to latest version. On stable version my game works, but on 4.0 alpha i got error after load scene. 

Stack trace:

babylon.max.js:7723 Uncaught TypeError: Cannot read property 'm' of undefined
    at Matrix.multiplyToRef (babylon.max.js:7723)
    at Mesh.TransformNode.computeWorldMatrix (babylon.max.js:20641)
    at Scene._evaluateActiveMeshes (babylon.max.js:28963)
    at Scene._renderForCamera (babylon.max.js:29064)
    at Scene._processSubCameras (babylon.max.js:29146)
    at Scene.render (babylon.max.js:29344)