ERROR Error: Uncaught (in promise): Error: StaticInjectorError[File]:
StaticInjectorError[File]:
NullInjectorError: No provider for File!
Error: StaticInjectorError[File]:
StaticInjectorError[File]:
NullInjectorError: No provider for File!
at _NullInjector.get (core.js:993)
at resolveToken (core.js:1281)
at tryResolveToken (core.js:1223)
at StaticInjector.get (core.js:1094)
at resolveToken (core.js:1281)
at tryResolveToken (core.js:1223)
at StaticInjector.get (core.js:1094)
at resolveNgModuleDep (core.js:10878)
at NgModuleRef_.get (core.js:12110)
at resolveDep (core.js:12608)
at _NullInjector.get (core.js:993)
at resolveToken (core.js:1281)
at tryResolveToken (core.js:1223)
at StaticInjector.get (core.js:1094)
at resolveToken (core.js:1281)
at tryResolveToken (core.js:1223)
at StaticInjector.get (core.js:1094)
at resolveNgModuleDep (core.js:10878)
at NgModuleRef_.get (core.js:12110)
at resolveDep (core.js:12608)
at c (polyfills.js:3)
at c (polyfills.js:3)
at polyfills.js:3
at t.invokeTask (polyfills.js:3)
at Object.onInvokeTask (core.js:4744)
at t.invokeTask (polyfills.js:3)
at r.runTask (polyfills.js:3)
at o (polyfills.js:3)
at <anonymous>