error message

❯ dotnet publish --configuration Release -p:Environments=sandbox;dev;qa;staging
MSBuild version 17.4.0+18d5aef85 for .NET
  Determining projects to restore...
  All projects are up-to-date for restore.
C:\Projects\companyName-ims-be\src\CompanyName.Start\Startup.cs(57,50): warning CS1998: This async method lacks 'await' operators and will run synchronously. Cons
ider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread. [C:\Projects\expe
do-ims-be\src\CompanyName.Start\CompanyName.Start.csproj]
C:\Projects\companyName-ims-be\src\CompanyName.Start\Controllers\ApplicationController\Service\ApplicationService.cs(22,58): warning CS1998: This async method lac
ks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do
CPU-bound work on a background thread. [C:\Projects\companyName-ims-be\src\CompanyName.Start\CompanyName.Start.csproj]
  CompanyName.Start -> C:\Projects\companyName-ims-be\src\CompanyName.Start\bin\Release\netcoreapp3.1\CompanyName.Start.dll
  CompanyName.Start -> C:\Projects\companyName-ims-be\src\CompanyName.Start\bin\Release\netcoreapp3.1\CompanyName.Start.Views.dll
  yarn install v1.22.19
  [1/4] Resolving packages...
  success Already up-to-date.
  Done in 0.79s.
  Started building sandbox versions of the spa ...
  yarn run v1.22.19
  $ env-cmd -f envs/.env.sandbox react-scripts --openssl-legacy-provider build && shx rm -rf sandbox && shx cp -r build sandbox
  Creating an optimized production build...
  Compiled with warnings.

  ./src/components/assignedRoles.js
    Line 2:10:   'Divider' is defined but never used                no-unused-vars
    Line 2:19:   'Avatar' is defined but never used                 no-unused-vars
    Line 3:23:   'abbreviate' is defined but never used             no-unused-vars
    Line 14:15:  'member' is assigned a value but never used        no-unused-vars
    Line 30:15:  'member' is assigned a value but never used        no-unused-vars
    Line 33:11:  'selectedRole' is assigned a value but never used  no-unused-vars

  ./src/libs/http.js
    Line 3:10:  'TEMP_TOKEN' is defined but never used  no-unused-vars

  ./src/pages/Member/Logout.js
    Line 4:9:  'Spin' is defined but never used  no-unused-vars

  ./src/pages/Member/Login.js
    Line 5:8:  'history' is defined but never used  no-unused-vars
    Line 7:9:  'Spin' is defined but never used     no-unused-vars

  ./src/pages/Dashboard/Index.js
    Line 77:6:  React Hook useEffect has a missing dependency: 'fetchData'. Either include it or remove the dependency array  react-hooks/exhaustive-
  deps

  Search for the keywords to learn more about each warning.
  To ignore, add // eslint-disable-next-line to the line before.

  File sizes after gzip:

    369.53 KB  build\static\js\2.7197cba9.chunk.js
    81.22 KB   build\static\css\2.4afcff08.chunk.css
    11.29 KB   build\static\js\main.ba05a9d6.chunk.js
    771 B      build\static\js\runtime-main.eeba1dd2.js
    585 B      build\static\css\main.813c8e3d.chunk.css

  The project was built assuming it is hosted at /.
  You can control this with the homepage field in your package.json.

  The build folder is ready to be deployed.
  You may serve it with a static server:

    yarn global add serve
    serve -s build

  Find out more about deployment here:

    bit.ly/CRA-deploy

  Done in 22.38s.
  CompanyName.Start -> C:\Projects\companyName-ims-be\src\CompanyName.Start\bin\Release\netcoreapp3.1\publish\
dev: The term 'dev' is not recognized as a name of a cmdlet, function, script file, or executable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
qa: The term 'qa' is not recognized as a name of a cmdlet, function, script file, or executable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
staging: The term 'staging' is not recognized as a name of a cmdlet, function, script file, or executable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.