Unhandled exception:
The null object does not have a getter 'reflectedType'.
NoSuchMethodError: method not found: 'reflectedType'
Receiver: null
Arguments: []
#0 Object._noSuchMethod (dart:core-patch/object_patch.dart:42)
#1 Object.noSuchMethod (dart:core-patch/object_patch.dart:45)
#2 setupJsTypeCache (dart:js:654)
#3 _generateInteropPatchFiles (dart:js:672): http://localhost:63342/Autograph/web/autograph.html_bootstrap.dart