Error: Uncaught (in promise): TypeError: Cannot read property ‘appendChild’ of undefined
TypeError: Cannot read property ‘appendChild’ of undefined
at StackController.transition (stack-controller.ts:274)
at stack-controller.ts:145
at StackController._callee2$ (stack-controller.ts:296)
at tryCatch (runtime.js:45)
at Generator.invoke [as _invoke] (runtime.js:274)
at Generator.prototype. [as next] (runtime.js:97)
at fulfilled (tslib.es6.js:71)
at ZoneDelegate.invoke (zone.js:386)
at Zone.run (zone.js:143)
at zone.js:891
at resolvePromise (zone.js:832)
at resolvePromise (zone.js:784)
at zone.js:894
at ZoneDelegate.invokeTask (zone.js:421)
at Object.onInvokeTask (core.js:27428)
at ZoneDelegate.invokeTask (zone.js:420)
at Zone.runTask (zone.js:188)
at drainMicroTaskQueue (zone.js:601)
at ZoneTask.invokeTask (zone.js:507)
at ZoneTask.invoke (zone.js:492)
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