NullInjectorError: StaticInjectorError(AppModule)[Storage]

ERROR Error: Uncaught (in promise): NullInjectorError: StaticInjectorError(AppModule)[Storage]:
StaticInjectorError(Platform: core)[Storage]:
NullInjectorError: No provider for Storage!
NullInjectorError: StaticInjectorError(AppModule)[Storage]:
StaticInjectorError(Platform: core)[Storage]:
NullInjectorError: No provider for Storage!
at NullInjector.get (core.js:855:1)
at resolveToken (core.js:17514:1)
at tryResolveToken (core.js:17440:1)
at StaticInjector.get (core.js:17266:1)
at resolveToken (core.js:17514:1)
at tryResolveToken (core.js:17440:1)
at StaticInjector.get (core.js:17266:1)
at resolveNgModuleDep (core.js:30393:1)
at NgModuleRef_.get (core.js:31578:1)
at injectInjectorOnly (core.js:734:1)
at resolvePromise (zone-evergreen.js:797:1)
at resolvePromise (zone-evergreen.js:754:1)
at zone-evergreen.js:858:1
at ZoneDelegate.invokeTask (zone-evergreen.js:391:1)
at Object.onInvokeTask (core.js:39680:1)
at ZoneDelegate.invokeTask (zone-evergreen.js:390:1)
at Zone.runTask (zone-evergreen.js:168:1)
at drainMicroTaskQueue (zone-evergreen.js:559:1)

i am face this error.

Start by reproducing the NullInjectorError in the Angular AppModule context and inspect how Storage is provided and injected. Done means the application resolves Storage without the reported provider error; the issue does not name a source file or test to run.

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