npm run dev시 오류

<ytd-menu-renderer class="style-scope ytd-comment-renderer" style="display:flex;flex-direction:row"></ytd-menu-renderer>

<ytd-expander id="expander" max-number-of-lines="4" class="expander-exp style-scope ytd-comment-renderer" should-use-number-of-lines style="display:block;--ytd-expander-button-margin:4px 0 0 0;--ytd-expander-max-lines:4"> <div class="style-scope ytd-expander" style="overflow-wrap:break-word;min-width:0px;margin:0px;padding:0px;border:0px;background:transparent"><span style="font-size:22.4px;white-space:pre-wrap">안녕하세요 !</span></div> <div class="style-scope ytd-expander" style="overflow-wrap:break-word;min-width:0px;margin:0px;padding:0px;border:0px;background:transparent"><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"></span></div> <div id="content" class="style-scope ytd-expander" style="overflow-wrap:break-word;min-width:0px;margin:0px;padding:0px;border:0px;background:transparent"><yt-formatted-string id="content-text" slot="content" split-lines class="style-scope ytd-comment-renderer" style="white-space:pre-wrap;--yt-endpoint-color:var(--yt-spec-call-to-action);--yt-endpoint-hover-color:var(--yt-spec-call-to-action);--yt-endpoint-visited-color:var(--yt-spec-call-to-action);color:var(--yt-spec-text-primary);font-size:1.4rem;font-weight:400;line-height:2rem"><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">영상 4분 30초 쪽에 보면 npm run dev 입력하면 오류가 발생하는데요</span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">> react-boiler-plate@1.0.0 dev C:\VScodeProject\boilerplate-mern-stack-master </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">> concurrently "npm run backend" "npm run start --prefix client" </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[0] Error occurred when executing command: npm run backend </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[0] Error: spawn cmd.exe ENOENT </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[0] at Process.ChildProcess._handle.onexit (internal/child_process.js:267:19) </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[0] at onErrorNT (internal/child_process.js:469:16) </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[0] at processTicksAndRejections (internal/process/task_queues.js:84:21) </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[1] Error occurred when executing command: npm run start --prefix client </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[1] Error: spawn cmd.exe ENOENT </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[1] at Process.ChildProcess._handle.onexit (internal/child_process.js:267:19) </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[1] at onErrorNT (internal/child_process.js:469:16) </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[1] at processTicksAndRejections (internal/process/task_queues.js:84:21) </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[1] npm run start --prefix client exited with code -4058 </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">[0] npm run backend exited with code -4058 </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">npm ERR! code ELIFECYCLE </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">npm ERR! errno 1 </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">npm ERR! react-boiler-plate@1.0.0 dev: `concurrently "npm run backend" "npm run start --prefix client"` </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">npm ERR! Exit status 1 </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">npm ERR! </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">npm ERR! Failed at the react-boiler-plate@1.0.0 dev script. </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">npm ERR! This is probably not a problem with npm. There is likely additional logging output above. </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">npm ERR! A complete log of this run can be found in: </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">npm ERR! C:\Users\hdg42\AppData\Roaming\npm-cache\_logs\2020-03-23T12_21_01_907Z-debug.log</span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent"> </span><span dir="auto" class="style-scope yt-formatted-string" style="margin:0px;padding:0px;border:0px;background:transparent">이렇게 나옵니다. 무슨 문제일까요?</span></yt-formatted-string></div> <br /></ytd-expander><ytd-comment-action-buttons-renderer id="action-buttons" class="style-scope ytd-comment-renderer" action-buttons-style="desktop-toolbar" style="display:block;color:var(--yt-spec-text-secondary);min-height:16px;margin-top:4px"> <div id="toolbar" class="style-scope ytd-comment-action-buttons-renderer" style="margin:0px;padding:0px;border:0px;background:transparent;align-items:center;display:flex;flex-direction:row"> <div id="reply-button" class="style-scope ytd-comment-action-buttons-renderer" style="margin:0px;padding:0px;border:0px;background:transparent"></div> <ytd-toggle-button-renderer id="like-button" class="style-scope ytd-comment-action-buttons-renderer style-text size-default" use-keyboard-focused button-renderer="true" is-icon-button has-no-text style="display:inline-block;text-transform:uppercase;--paper-button-ink-color:var(--yt-spec-icon-inactive);--yt-button-padding:10px 16px;--yt-button-margin:0;--yt-button-padding-minus-border:9px 15px;vertical-align:middle;font-size:1.3rem;font-weight:500;letter-spacing:0.007px;color:var(--yt-spec-icon-inactive);--yt-button-icon-size:var(--ytd-comment-thumb-dimension);margin-left:-8px"><a class="yt-simple-endpoint style-scope ytd-toggle-button-renderer" target="_blank" rel="noopener noreferrer"><yt-icon-button id="button" class="style-scope ytd-toggle-button-renderer style-text size-default" style="display:inline-block;position:relative;width:var(--yt-button-icon-size, var(--yt-icon-width, 40px));height:var(--yt-button-icon-size, var(--yt-icon-height, 40px));box-sizing:border-box;font-size:0px;padding:var(--yt-button-icon-padding, 8px);color:var(--yt-button-color, inherit);line-height:1;background-color:transparent;text-transform:inherit"><button id="button" class="style-scope yt-icon-button" aria-label="나와 사용자 0명이 이 댓글을 좋아함" aria-pressed="false" style="vertical-align:middle;color:inherit;outline:none;background:none;margin:0px;border:none;padding:0px;width:16px;height:16px;line-height:0;cursor:pointer;-webkit-tap-highlight-color:transparent"><yt-icon class="style-scope ytd-toggle-button-renderer" style="display:inline-flex;align-items:center;justify-content:center;position:relative;vertical-align:middle;fill:var(--iron-icon-fill-color, currentcolor);stroke:none;width:var(--yt-icon-button-icon-width, 100%);height:var(--yt-icon-button-icon-height, 100%);margin:var(--iron-icon_-_margin-top) var(--iron-icon_-_margin-right) var(--iron-icon_-_margin-bottom) var(--iron-icon_-_margin-left)"><svg viewbox="0 0 24 24" preserveaspectratio="xMidYMid meet" focusable="false" class="style-scope yt-icon" style="pointer-events:none;display:block;width:100%;height:100%"><g class="style-scope yt-icon"><path d="M1 21h4V9H1v12zm22-11c0-1.1-.9-2-2-2h-6.31l.95-4.57.03-.32c0-.41-.17-.79-.44-1.06L14.17 1 7.59 7.59C7.22 7.95 7 8.45 7 9v10c0 1.1.9 2 2 2h9c.83 0 1.54-.5 1.84-1.22l3.02-7.05c.09-.23.14-.47.14-.73v-1.91l-.01-.01L23 10z" class="style-scope yt-icon"></path></g></svg></yt-icon></button></yt-icon-button></a></ytd-toggle-button-renderer><ytd-toggle-button-renderer id="dislike-button" class="style-scope ytd-comment-action-buttons-renderer style-text size-default" use-keyboard-focused button-renderer="true" is-icon-button has-no-text style="display:inline-block;text-transform:uppercase;--paper-button-ink-color:var(--yt-spec-icon-inactive);--yt-button-padding:10px 16px;--yt-button-margin:0;--yt-button-padding-minus-border:9px 15px;vertical-align:middle;font-size:1.3rem;font-weight:500;letter-spacing:0.007px;color:var(--yt-spec-icon-inactive);--yt-button-icon-size:var(--ytd-comment-thumb-dimension)"><a class="yt-simple-endpoint style-scope ytd-toggle-button-renderer" target="_blank" rel="noopener noreferrer"><yt-icon-button id="button" class="style-scope ytd-toggle-button-renderer style-text size-default" style="display:inline-block;position:relative;width:var(--yt-button-icon-size, var(--yt-icon-width, 40px));height:var(--yt-button-icon-size, var(--yt-icon-height, 40px));box-sizing:border-box;font-size:0px;padding:var(--yt-button-icon-padding, 8px);color:var(--yt-button-color, inherit);line-height:1;background-color:transparent;text-transform:inherit"><button id="button" class="style-scope yt-icon-button" aria-label="댓글 싫어요 표시" aria-pressed="false" style="vertical-align:middle;color:inherit;outline:none;background:none;margin:0px;border:none;padding:0px;width:16px;height:16px;line-height:0;cursor:pointer;-webkit-tap-highlight-color:transparent"><yt-icon class="style-scope ytd-toggle-button-renderer" style="display:inline-flex;align-items:center;justify-content:center;position:relative;vertical-align:middle;fill:var(--iron-icon-fill-color, currentcolor);stroke:none;width:var(--yt-icon-button-icon-width, 100%);height:var(--yt-icon-button-icon-height, 100%);margin:var(--iron-icon_-_margin-top) var(--iron-icon_-_margin-right) var(--iron-icon_-_margin-bottom) var(--iron-icon_-_margin-left)"><svg viewbox="0 0 24 24" preserveaspectratio="xMidYMid meet" focusable="false" class="style-scope yt-icon" style="pointer-events:none;display:block;width:100%;height:100%"><g class="style-scope yt-icon"><path d="M15 3H6c-.83 0-1.54.5-1.84 1.22l-3.02 7.05c-.09.23-.14.47-.14.73v1.91l.01.01L1 14c0 1.1.9 2 2 2h6.31l-.95 4.57-.03.32c0 .41.17.79.44 1.06L9.83 23l6.59-6.59c.36-.36.58-.86.58-1.41V5c0-1.1-.9-2-2-2zm4 0v12h4V3h-4z" class="style-scope yt-icon"></path></g></svg></yt-icon></button></yt-icon-button></a></ytd-toggle-button-renderer> <div id="creator-heart" class="style-scope ytd-comment-action-buttons-renderer" style="margin:0px;padding:0px;border:0px;background:transparent"></div> <div id="reply-button-end" class="style-scope ytd-comment-action-buttons-renderer" style="margin:0px;padding:0px;border:0px;background:transparent"><ytd-button-renderer class="style-scope ytd-comment-action-buttons-renderer style-text size-default" button-renderer use-keyboard-focused is-paper-button style="--paper-button-ink-color:var(--yt-paper-button-ink-color);--yt-formatted-string-deemphasize-color:#fff;--yt-formatted-string-deemphasize_-_margin-left:4px;--yt-formatted-string-deemphasize_-_display:initial;vertical-align:middle;white-space:nowrap;font-size:1.3rem;font-weight:500;letter-spacing:0.007px;text-transform:uppercase;display:inline-block;background-color:var(--yt-basic-background-color, );color:var(--yt-spec-text-secondary);border-color:var(--yt-basic-foreground-title-color, var(--yt-spec-text-secondary));border-radius:var(--yt-button-border-radius, 3px);margin:var(--yt-button-margin, 0 0.29em);--yt-button-padding:8px 16px"><a class="yt-simple-endpoint style-scope ytd-button-renderer" target="_blank" rel="noopener noreferrer"><paper-button id="button" class="style-scope ytd-button-renderer style-text size-default" role="button" tabindex="0" animated elevation="0" aria-disabled="false" aria-label="답글" style="--paper-material_-_display:block;--paper-material_-_position:relative;--paper-material-elevation-1_-_box-shadow:0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);--paper-material-elevation-2_-_box-shadow:0 4px 5px 0 rgba(0, 0, 0, 0.14), 0 1px 10px 0 rgba(0, 0, 0, 0.12), 0 2px 4px -1px rgba(0, 0, 0, 0.4);--paper-material-elevation-3_-_box-shadow:0 6px 10px 0 rgba(0, 0, 0, 0.14), 0 1px 18px 0 rgba(0, 0, 0, 0.12), 0 3px 5px -1px rgba(0, 0, 0, 0.4);--paper-material-elevation-4_-_box-shadow:0 8px 10px 1px rgba(0, 0, 0, 0.14), 0 3px 14px 2px rgba(0, 0, 0, 0.12), 0 5px 5px -3px rgba(0, 0, 0, 0.4);--paper-material-elevation-5_-_box-shadow:0 16px 24px 2px rgba(0, 0, 0, 0.14), 0 6px 30px 5px rgba(0, 0, 0, 0.12), 0 8px 10px -5px rgba(0, 0, 0, 0.4);display:flex;align-items:center;justify-content:center;position:relative;box-sizing:border-box;background:transparent;-webkit-tap-highlight-color:transparent;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:var(--yt-paper-button-font-size, inherit);line-height:inherit;outline-width:0px;border-radius:inherit;user-select:none;cursor:pointer;z-index:0;padding:var(--yt-button-padding, 0.7em 0.57em);font-family:inherit;-webkit-font-smoothing:var(--paper-font-common-base_-_-webkit-font-smoothing);color:var(--yt-button-color, inherit);border:var(--paper-button_-_border);width:var(--yt-paper-button-width, auto);margin:0px;text-transform:inherit;min-width:var(--yt-paper-button-min-width, var(--ytd-paper-button-min-width, 5.14em));transition:box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1) 0s;text-align:center;height:var(--yt-paper-button-height, auto);flex-direction:row;flex:1 1 auto"><yt-formatted-string id="text" class="style-scope ytd-button-renderer style-text size-default" style="display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap">답글</yt-formatted-string></paper-button></a></ytd-button-renderer></div> </div> <div id="reply-dialog" class="style-scope ytd-comment-action-buttons-renderer" style="margin:0px;padding:0px;border:0px;background:transparent"></div> </ytd-comment-action-buttons-renderer><ytd-button-renderer id="view-threaded-replies" aria-expanded="false" noink class="style-scope ytd-comment-renderer" button-renderer use-keyboard-focused style="--paper-button-ink-color:var(--yt-paper-button-ink-color);--yt-formatted-string-deemphasize-color:#fff;--yt-formatted-string-deemphasize_-_margin-left:4px;--yt-formatted-string-deemphasize_-_display:initial;vertical-align:middle;white-space:nowrap;font-size:1.4rem;font-weight:500;letter-spacing:0.007px;text-transform:none;display:inline-flex;--yt-button-padding:2px 0 10px 0;--yt-button-padding-minus-focus-outline-width:2px;--yt-button-icon-padding:0;--yt-button-padding-minus-focus-outline:0 0 8px 0;--iron-icon-width:20px;--iron-icon-height:20px;color:var(--yt-spec-call-to-action);align-items:center"></ytd-button-renderer><ytd-button-renderer id="hide-threaded-replies" aria-expanded="true" noink class="style-scope ytd-comment-renderer" button-renderer use-keyboard-focused style="--paper-button-ink-color:var(--yt-paper-button-ink-color);--yt-formatted-string-deemphasize-color:#fff;--yt-formatted-string-deemphasize_-_margin-left:4px;--yt-formatted-string-deemphasize_-_display:initial;vertical-align:middle;white-space:nowrap;font-size:1.4rem;font-weight:500;letter-spacing:0.007px;text-transform:none;display:inline-flex;--yt-button-padding:2px 0 10px 0;--yt-button-padding-minus-focus-outline-width:2px;--yt-button-icon-padding:0;--yt-button-padding-minus-focus-outline:0 0 8px 0;--iron-icon-width:20px;--iron-icon-height:20px;color:var(--yt-spec-call-to-action);align-items:center"></ytd-button-renderer>