Getting error while building angular code

Question

I have created angular app but getting error while executing command "ng serve"

Error is : The build command requires to run in an angular project, but a project definition could not be found.

I have tried to install @angular/cli, devkit core and angular packages but still I am facing the same error.

I don't know what I am missing. I have searched a lot in google but unable to resolve this error.

Edited: Image added.

Ensure that you are running ng serve in the project directory — Tushar Walzade
– Tushar Walzade, Commented Jan 8, 2019 at 14:08
I am writing correct command in cli and I have edited my question. — Ami Vyas
– Ami Vyas, Commented Jan 8, 2019 at 14:09
@AmiVyas after creating new project by 'ng new myapp' you need to go in 'myapp' directory by 'cd myapp' then run 'ng serve' — Ans Bilal
– Ans Bilal, Commented Jan 8, 2019 at 14:15
share screen shot of your command prompt, try to create a new empty project and serve that — Ans Bilal
– Ans Bilal, Commented Jan 8, 2019 at 14:18

RTYX · Accepted Answer · 2019-01-08 14:30:20Z

In the terminal (commands may vary depending on your terminal):

[my-folder] ng new my-test
    ...
    ...
    ...
[my-folder] ls
[my-folder] . .. my-test
[my-folder] cd my-test
[my-test] ng serve

If at this point you get that error, then find your current Angular CLI version and update it:

[my-test] ng -v
[my-test] 
    _                      _                 ____ _     ___
   / \   _ __   __ _ _   _| | __ _ _ __     / ___| |   |_ _|
  / △ \ | '_ \ / _` | | | | |/ _` | '__|   | |   | |    | |
 / ___ \| | | | (_| | |_| | | (_| | |      | |___| |___ | |
/_/   \_\_| |_|\__, |\__,_|_|\__,_|_|       \____|_____|___|
               |___/

Angular CLI: 1.7.4
Node: 8.9.3
OS: darwin x64
Angular: 5.2.11
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router

@angular/cli: 1.7.4
@angular-devkit/build-optimizer: 0.3.2
@angular-devkit/core: 0.3.2
@angular-devkit/schematics: 0.3.2
@ngtools/json-schema: 1.2.0
@ngtools/webpack: 1.10.2
@schematics/angular: 0.3.2
@schematics/package-update: 0.3.2
typescript: 2.5.3
webpack: 3.11.0

[my-test] ng update @angular/cli --migrate-only --from=<1.7.4>

With that, you'll update your Angular CLI. Pay attention to your own version. As you can see, in my case it was 1.7.4, but your's will probably be different.

Based on https://github.com/angular/angular-cli/issues/12215#issuecomment-433593036

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