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Angular 7 while build StaticInjectorError

I am able to build and serve the application in dev server.But coming to the production build,the application is resulting in following errors.

Any suggestions would be helpful.Thanks in advance.If any additional information,please do let me know.

angular version - 7.2.3

main.272e7817336e789a3feb.js:1 ERROR Error: StaticInjectorError[e -> e]: StaticInjectorError(Platform: core)[e -> e]: NullInjectorError: No provider for e! at e.get (main.272e7817336e789a3feb.js:1) at main.272e7817336e789a3feb.js:1 at e (main.272e7817336e789a3feb.js:1) at e.get (main.272e7817336e789a3feb.js:1) at main.272e7817336e789a3feb.js:1 at e (main.272e7817336e789a3feb.js:1) at e.get (main.272e7817336e789a3feb.js:1) at Pg (main.272e7817336e789a3feb.js:1) at main.272e7817336e789a3feb.js:1 at Ig (main.272e7817336e789a3feb.js:1)

Solution

  • It is saying that you have injected service directly into component's constructor. Instead of directly injecting in component you need to first add service in module.

    Add it in module's providers array. Then you can use it in component.

    Ex: providers: [ServiceName]