Error: listen EADDRINUSE: address already in use :::8080 에러가 계속 납니다.

안녕하세요?? 좋은 수업 너무 감사드려요~ 

node:events:342

[0]       throw er; // Unhandled 'error' event

[0]       ^

[0] 

[0] Error: listen EADDRINUSE: address already in use :::8080

[0]     at Server.setupListenHandle [as _listen2] (node:net:1306:16)

[0]     at listenInCluster (node:net:1354:12)

[0]     at Server.listen (node:net:1441:7)

[0]     at Function.listen (/Users/choisewon/Desktop/React/MovieWeb-master/node_modules/express/lib/application.js:618:24)

[0]     at Object.<anonymous> (/Users/choisewon/Desktop/React/MovieWeb-master/server/index.js:52:5)

[0]     at Module._compile (node:internal/modules/cjs/loader:1109:14)

[0]     at Object.Module._extensions..js (node:internal/modules/cjs/loader:1138:10)

[0]     at Module.load (node:internal/modules/cjs/loader:989:32)

[0]     at Function.Module._load (node:internal/modules/cjs/loader:829:14)

[0]     at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:76:12)

[0]     at node:internal/main/run_main_module:17:47

[0] Emitted 'error' event on Server instance at:

[0]     at emitErrorNT (node:net:1333:8)

[0]     at processTicksAndRejections (node:internal/process/task_queues:83:21) {

[0]   code: 'EADDRINUSE',

[0]   errno: -48,

[0]   syscall: 'listen',

[0]   address: '::',

[0]   port: 8080

[0] }

[0] [nodemon] app crashed - waiting for file changes before starting...

favorite강의 들어가면서 계속 이러한 에러가 뜨는데요. 몇일동안 아무리 찾아도 이유를 알지 못하겠네요 ㅠㅠ 

도움 주시면 감사드리겠습니다.