[LayaAir 2.0]Unity中给模型添加一个带旋转的动画后加载报错

Laya2.0正式版导出Unity5.6.6f2中创建的旋转动画加载报错, 相关资源见附件, 错误如下:
TypeError: Cannot read property 'elements' of undefined
laya.d3.js:18283
at AnimationTransform3D.value._localRotationEuler (/RotateDemo/bin/libs/laya.d3.js:18283:53)
 
at Animator.__proto._addKeyframeNodeOwner (/RotateDemo/bin/libs/laya.d3.js:19193:23)
 
at Animator.__proto._getOwnersByClip (/RotateDemo/bin/libs/laya.d3.js:19259:23)
 
at Animator.__proto._getOwnersByClipAsync (/RotateDemo/bin/libs/laya.d3.js:19269:9)
 
at Animator.__proto.addState (/RotateDemo/bin/libs/laya.d3.js:20144:11)
 
at Animator.__proto._parse (/RotateDemo/bin/libs/laya.d3.js:19961:13)
 
at Function.Utils3D._createNodeByJson (/RotateDemo/bin/libs/laya.d3.js:8577:17)
 
at Function.Utils3D._createNodeByJson (/RotateDemo/bin/libs/laya.d3.js:8559:24)
 
at Function.Scene3D._parse (/RotateDemo/bin/libs/laya.d3.js:31247:22)
 
at Laya3D._onHierarchyInnerFirstLevResouLoaded (/RotateDemo/bin/libs/laya.d3.js:15601:52)