An Error Message

	events.js:167
          throw er; // Unhandled 'error' event
          ^

    Error: listen EADDRINUSE :::8080
        at Server.setupListenHandle [as _listen2] (net.js:1286:14)
        at listenInCluster (net.js:1334:12)
        at Server.listen (net.js:1421:7)
        at Object.<anonymous> (d:\projects\wezelchat\src\server.js:15:6)
        at Module._compile (internal/modules/cjs/loader.js:688:30)
        at Object.Module._extensions..js (internal/modules/cjs/loader.js:699:10)
        at Module.load (internal/modules/cjs/loader.js:598:32)
        at tryModuleLoad (internal/modules/cjs/loader.js:537:12)
        at Function.Module._load (internal/modules/cjs/loader.js:529:3)
        at Function.Module.runMain (internal/modules/cjs/loader.js:741:12)
    Emitted 'error' event at:
        at emitErrorNT (net.js:1313:8)
        at process._tickCallback (internal/process/next_tick.js:63:19)
        at Function.Module.runMain (internal/modules/cjs/loader.js:744:11)
        at startup (internal/bootstrap/node.js:285:19)
        at bootstrapNodeJSCore (internal/bootstrap/node.js:739:3)
    Warning: non-zero exit code 1 Use --force to continue.