Mdl-datepicker animation error

[Dadarkp3]

Is anyone else getting this error
vendor.bundle.js:99924 ERROR DOMException: Failed to execute 'animate' on 'Element': Partial keyframes are not supported.
at NativeWebAnimationPlayer.webpackJsonp.../../../../@angular-mdl/core/components/common/animations.js.NativeWebAnimationPlayer.play (http://localhost:4200/vendor.bundle.js:789:48)
at MdlDialogHostComponent.webpackJsonp.../../../../@angular-mdl/core/components/dialog/mdl-dialog-host.component.js.MdlDialogHostComponent.show (http://localhost:4200/vendor.bundle.js:2027:23)
at http://localhost:4200/vendor.bundle.js:2399:39
at ZoneDelegate.webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invokeTask (http://localhost:4200/polyfills.bundle.js:2833:31)
at Object.onInvokeTask (http://localhost:4200/vendor.bundle.js:102785:33)
at ZoneDelegate.webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invokeTask (http://localhost:4200/polyfills.bundle.js:2832:36)
at Zone.webpackJsonp.../../../../zone.js/dist/zone.js.Zone.runTask (http://localhost:4200/polyfills.bundle.js:2600:47)
at webpackJsonp.../../../../zone.js/dist/zone.js.ZoneTask.invokeTask (http://localhost:4200/polyfills.bundle.js:2907:34)
at ZoneTask.invoke (http://localhost:4200/polyfills.bundle.js:2896:48)
at timer (http://localhost:4200/polyfills.bundle.js:4238:29)

don't know what to do, it was working just fine, next day stopped working altogether, tried the npm install again, started working then stopped.