[LayaAir 2.0]U3D导出模型和动画，动画无法正常播放，预览也没有，载入场景资源提示：this._cacheAnimationNode没有Transfrom

环境：Unity 5.6.7f1,
Laya 2.1,
插件：最新，
所有项目和资源都在附件里：U3D项目和Laya项目
动画控制器没用OverrideAnimator
Rig为：Generic
Avatar:Create From This Model
预览挂上状态机后无法播放
强制导出场景，并加载后提示：
TypeError: Cannot read property 'transform' of undefined
laya.d3.js:41839
at SkinnedMeshRenderer.__proto._computeSubSkinnedData (file:///C:/LayaPro/LayaAnimator/bin/libs/laya.d3.js:41839:62)
 
at SkinnedMeshRenderer.__proto._computeSkinnedData (file:///C:/LayaPro/LayaAnimator/bin/libs/laya.d3.js:41814:11)
 
at SkinnedMeshRenderer.__proto._renderUpdate (file:///C:/LayaPro/LayaAnimator/bin/libs/laya.d3.js:41935:9)
 
at RenderElement.__proto._render (file:///C:/LayaPro/LayaAnimator/bin/libs/laya.d3.js:6880:16)
 
at RenderQueue.__proto._render (file:///C:/LayaPro/LayaAnimator/bin/libs/laya.d3.js:16444:20)
 
at Scene3D.__proto._renderScene (file:///C:/LayaPro/LayaAnimator/bin/libs/laya.d3.js:34333:124)
 
at Camera.__proto.render (file:///C:/LayaPro/LayaAnimator/bin/libs/laya.d3.js:44132:9)
 
at Scene3D.__proto.renderSubmit (file:///C:/LayaPro/LayaAnimator/bin/libs/laya.d3.js:34565:34)
 
at Context.__proto.submitElement (file:///C:/LayaPro/LayaAnimator/bin/libs/laya.core.js:10439:18)
 
at Context.__proto.flush (file:///C:/LayaPro/LayaAnimator/bin/libs/laya.core.js:10445:16)
 
希望各位大佬帮帮忙，资料太少了，自己太菜了无法解决了QAQ