I can't convert my project to production

Hi, I have a problem in my project. When I write command npm run build, an error is displayed. Here is log of this error. I don’t know how to fix it. Can you help me please ? Thank you.

ERROR Failed to compile with 1 errors

This relative module was not found:

  • ./src/main.js in multi ./src/main.js
    ERROR Build failed with errors.
    npm ERR! code ELIFECYCLE
    npm ERR! errno 1
    npm ERR! project@1.0.0 build: vue-cli-service build
    npm ERR! Exit status 1
    npm ERR!
    npm ERR! Failed at the project@1.0.0 build script.
    npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\user\AppData\Roaming\npm-cache_logs\2020-06-29T08_33_02_755Z-debug.log

Here is log of this error.

0 info it worked if it ends with ok

1 verbose cli [

1 verbose cli ‘C:\Program Files\nodejs\node.exe’,

1 verbose cli ‘C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js’,

1 verbose cli ‘run’,

1 verbose cli ‘build’

1 verbose cli ]

2 info using npm@6.14.5

3 info using node@v12.18.1

4 verbose run-script [ ‘prebuild’, ‘build’, ‘postbuild’ ]

5 info lifecycle project@1.0.0~prebuild: project@1.0.0

6 info lifecycle project@1.0.0~build: project@1.0.0

7 verbose lifecycle project@1.0.0~build: unsafe-perm in lifecycle true

8 verbose lifecycle project@1.0.0~build: PATH: C:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin;C:\ project\node_modules.bin;C:\Program Files\Common Files\Oracle\Java\javapath;C:\Program Files\NVIDIA Corporation\PhysX\Common;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0;C:\WINDOWS\System32\OpenSSH;C:\Program Files\nodejs;C:\Ruby27\bin;C:\Ruby26-x64\bin;C:\Ruby27-x64\bin;C:\Users\user\AppData\Local\Programs\Microsoft VS Code\bin;C:\Users\user\AppData\Local\Microsoft\WindowsApps;C:\Users\user\AppData\Roaming\npm

9 verbose lifecycle project@1.0.0~build: CWD: C:\project

10 silly lifecycle project@1.0.0~build: Args: [ ‘/d /s /c’, ‘vue-cli-service build’ ]

11 silly lifecycle project@1.0.0~build: Returned: code: 1 signal: null

12 info lifecycle project@1.0.0~build: Failed to exec build script

13 verbose stack Error: project@1.0.0 build: vue-cli-service build

13 verbose stack Exit status 1

13 verbose stack at EventEmitter. (C:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\index.js:332:16)

13 verbose stack at EventEmitter.emit (events.js:315:20)

13 verbose stack at ChildProcess. (C:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\lib\spawn.js:55:14)

13 verbose stack at ChildProcess.emit (events.js:315:20)

13 verbose stack at maybeClose (internal/child_process.js:1021:16)

13 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:286:5)

14 verbose pkgid project@1.0.0

15 verbose cwd C:\project

16 verbose Windows_NT 10.0.18362

17 verbose argv “C:\Program Files\nodejs\node.exe” “C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js” “run” “build”

18 verbose node v12.18.1

19 verbose npm v6.14.5

20 error code ELIFECYCLE

21 error errno 1

22 error project@1.0.0 build: vue-cli-service build

22 error Exit status 1

23 error Failed at the project@1.0.0 build script.

23 error This is probably not a problem with npm. There is likely additional logging output above.

24 verbose exit [ 1, true ]