BUG - Tooltip Failed to execute 'animate' on 'Element': #3677

TooltipComponent.html:1 ERROR TypeError: Failed to execute 'animate' on 'Element': 'undefined' is not a valid value for easing
    at WebAnimationsPlayer._triggerWebAnimation (browser.es5.js:2176)
    at WebAnimationsPlayer.init (browser.es5.js:2159)
    at InjectableAnimationEngine.DomAnimationEngine._queuePlayer (browser.es5.js:1493)
    at InjectableAnimationEngine.DomAnimationEngine.animateTransition (browser.es5.js:1415)
    at InjectableAnimationEngine.DomAnimationEngine.setProperty (browser.es5.js:1286)
    at AnimationRenderer.setProperty (animations.es5.js:211)
    at DebugRenderer2.setProperty (core.es5.js:12696)
    at setElementProperty (core.es5.js:9095)
    at checkAndUpdateElementValue (core.es5.js:9011)
    at checkAndUpdateElementInline (core.es5.js:8951)
    at checkAndUpdateNodeInline (core.es5.js:11540)
    at checkAndUpdateNode (core.es5.js:11515)
    at debugCheckAndUpdateNode (core.es5.js:12138)
    at debugCheckRenderNodeFn (core.es5.js:12117)
    at Object.eval [as updateRenderer] (TooltipComponent.html:1)

ERROR CONTEXT DebugContext_ {view: Object, nodeIndex: 0, nodeDef: Object, elDef: Object, elView: Object}