Zone.assertZonePatched is not a function

Question

I am getting the error message:

Unhandled Promise rejection: Zone.assertZonePatched is not a function

Although I am importing zonejs correctly in index.html:

Answer 1

• RC7

Update zone.js pakage by zone.js@0.6.21

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• Angular2.0 release

Update zone.js package by zone.js@0.6.23,