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Build error: there are two different types with this name, but they are not related

I am getting this error when building a JHipster Angular project

[ERROR] Error at /Users/Dan/work/gba/node_modules/ng-jhipster/src/interceptor/interceptable-http.d.ts:4:22: Class 'InterceptableHttp' incorrectly extends base class 'Http'.
[ERROR]   Types of property 'request' are incompatible.
[ERROR]     Type '(url: string | Request, options?: RequestOptionsArgs) => Observable<Response>' is not assignable to type '(url: string | Request, options?: RequestOptionsArgs) => Observable<Response>'. Two different types with this name exist, but they are unrelated.
[ERROR]       Type 'Observable<Response>' is not assignable to type 'Observable<Response>'. Two different types with this name exist, but they are unrelated.
[ERROR]         Property 'source' is protected but type 'Observable<T>' is not a class derived from 'Observable<T>'.

I am having a problem with this project .

Complete Travis build error here

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1 answer


I had several days. To fix this, I deleted the directory /target

and yarn.lock

.



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