[Node.js] yarn dev 명령어 오류

$ concurrently --kill-others-on-fail "yarn server" "yarn client"
[0] Error occurred when executing command: yarn server
[0] Error: spawn cmd.exe ENOENT
[0]     at Process.ChildProcess._handle.onexit (internal/child_process.js:269:19)
[0]     at onErrorNT (internal/child_process.js:465:16)
[0]     at processTicksAndRejections (internal/process/task_queues.js:80:21)     
[1] Error occurred when executing command: yarn client
[1] Error: spawn cmd.exe ENOENT
[1]     at Process.ChildProcess._handle.onexit (internal/child_process.js:269:19)
[1]     at onErrorNT (internal/child_process.js:465:16)
[1]     at processTicksAndRejections (internal/process/task_queues.js:80:21)
[1] yarn client exited with code -4058
[0] yarn server exited with code -4058

 

yarn dev 명령을 실행했는데, 이런 오류가 뜬 적이 있다.

오류내용이 정확히 뭔 소린지 이해가 안돼서 구글링을 막 해봤는데

 

 

환경변수에 다음 경로를 추가하니 해결되었다.

C:\Windows\System32