Error: Uncaught (in promise): TypeError: Cannot read property ‘updateMetas’ of undefined
TypeError: Cannot read property ‘updateMetas’ of undefined
at http://localhost:8100/build/main.js:807:42
at t.invoke (http://localhost:8100/build/polyfills.js:3:9283)
at Object.onInvoke (http://localhost:8100/build/vendor.js:4508:37)
at t.invoke (http://localhost:8100/build/polyfills.js:3:9223)
at r.run (http://localhost:8100/build/polyfills.js:3:4452)
at http://localhost:8100/build/polyfills.js:3:14076
at t.invokeTask (http://localhost:8100/build/polyfills.js:3:9967)
How to slove this??