Error BrandFlow

**A bad HTTP response code (404) was received when fetching the script. Failed to load resource: net::ERR_INVALID_RESPONSE push-init-code.js?ts=1555334385258:72 An error occurred while retrieving token.

qa {code: "messaging/failed-serviceworker-registration", message: "Messaging: We are unable to register the default s…t. (messaging/failed-serviceworker-registration).", browserErrorMessage: "Failed to register a ServiceWorker:

A bad HTTP res…code (404) was received when fetching the script.", stack: "FirebaseError: Messaging: We are unable to registe…ueue (http://localhost:4200/polyfills.js:2940:35)"} (anonymous) @ push-init-code.js?ts=1555334385258:72 push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke @ zone.js:388 push../node_modules/zone.js/dist/zone.js.Zone.run @ zone.js:138 (anonymous) @ zone.js:872 push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask @ zone.js:421 push../node_modules/zone.js/dist/zone.js.Zone.runTask @ zone.js:188 drainMicroTaskQueue @ zone.js:595 Promise.then (async) scheduleMicroTask @ zone.js:578 push../node_modules/zone.js/dist/zone.js.ZoneDelegate.scheduleTask @ zone.js:410 push../node_modules/zone.js/dist/zone.js.Zone.scheduleTask @ zone.js:232 push../node_modules/zone.js/dist/zone.js.Zone.scheduleMicroTask @ zone.js:252 scheduleResolveOrReject @ zone.js:862 resolvePromise @ zone.js:808 (anonymous) @ zone.js:724 Promise.then (async) (anonymous) @ zone.js:1042 ZoneAwarePromise @ zone.js:891 Ctor.then @ zone.js:1041 G.f @ push-init-code.js?ts=1555334385258:35 w.getToken @ push-init-code.js?ts=1555334385258:35 (anonymous) @ push-init-code.js?ts=1555334385258:35 push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke @ zone.js:388 push../node_modules/zone.js/dist/zone.js.Zone.run @ zone.js:138 (anonymous) @ zone.js:872 push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask @ zone.js:421 push../node_modules/zone.js/dist/zone.js.Zone.runTask @ zone.js:188 drainMicroTaskQueue @ zone.js:595 Promise.then (async) scheduleMicroTask @ zone.js:578 push../node_modules/zone.js/dist/zone.js.ZoneDelegate.scheduleTask @ zone.js:410 push../node_modules/zone.js/dist/zone.js.Zone.scheduleTask @ zone.js:232 push../node_modules/zone.js/dist/zone.js.Zone.scheduleMicroTask @ zone.js:252 scheduleResolveOrReject @ zone.js:862 ZoneAwarePromise.then @ zone.js:962 ka @ push-init-code.js?ts=1555334385258:27 ja @ push-init-code.js?ts=1555334385258:27 Bi @ push-init-code.js?ts=1555334385258:30 firebase.INTERNAL.extendNamespace.User @ push-init-code.js?ts=1555334385258:31 ta.S @ push-init-code.js?ts=1555334385258:27 (anonymous) @ push-init-code.js?ts=1555334385258:31 (anonymous) @ push-init-code.js?ts=1555334385258:27 b @ push-init-code.js?ts=1555334385258:27 initializeApp @ push-init-code.js?ts=1555334385258:27 runApp @ push-init-code.js?ts=1555334385258:50 (anonymous) @ push-init-code.js?ts=1555334385258:146 bf-core.min.js?ts=1555334385256:1

BRANDFLOW: An error occured while trying to wait for jQuery while creating modals. MESSAGE : Aborted after 5010 value @ bf-core.min.js?ts=1555334385256:1 (anonymous) @ bf-core.min.js?ts=1555334385256:1 push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask @ zone.js:421 push../node_modules/zone.js/dist/zone.js.Zone.runTask @ zone.js:188 push../node_modules/zone.js/dist/zone.js.ZoneTask.invokeTask @ zone.js:496 ZoneTask.invoke @ zone.js:485 timer @ zone.js:2054 setInterval (async) scheduleTask @ zone.js:2075 push../node_modules/zone.js/dist/zone.js.ZoneDelegate.scheduleTask @ zone.js:407 push../node_modules/zone.js/dist/zone.js.Zone.scheduleTask @ zone.js:232 push../node_modules/zone.js/dist/zone.js.Zone.scheduleMacroTask @ zone.js:255 scheduleMacroTaskWithCurrentZone @ zone.js:1114 (anonymous) @ zone.js:2090 proto.(anonymous function) @ zone.js:1394 value @ bf-core.min.js?ts=1555334385256:1 (anonymous) @ TIN237.js?ts=1555334385256:10**

Brandflow work in first moment, right after not work.