안녕하세요 아래처럼 소스 다운로드 받고 npm install 하는 중에 에러가 발생하는데 검색해서 적용해보아도 계속 동일한 에러가 나네요 ㅠ ㅠ 도와주세죠 PS D:\WorkDirectory\300. Projects\addition-game-starter> npm install D:\WorkDirectory\300. Projects\addition-game-starter\node_modules\keccak>if not defined npm_config_node_gyp (node "C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild ) else (node "C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js" rebuild ) gyp ERR! find Python gyp ERR! find Python Python is not set from command line or npm configuration gyp ERR! find Python Python is not set from environment variable PYTHON gyp ERR! find Python checking if "python" can be used gyp ERR! find Python - "python" is not in PATH or produced an error gyp ERR! find Python checking if "python2" can be used gyp ERR! find Python - "python2" is not in PATH or produced an error gyp ERR! find Python checking if "python3" can be used gyp ERR! find Python - "python3" is not in PATH or produced an error gyp ERR! find Python checking if the py launcher can be used to find Python 2 gyp ERR! find Python - "py.exe" is not in PATH or produced an error gyp ERR! find Python checking if Python is C:\Python27\python.exe gyp ERR! find Python - "C:\Python27\python.exe" could not be run gyp ERR! find Python checking if Python is C:\Python37\python.exe gyp ERR! find Python - "C:\Python37\python.exe" could not be run gyp ERR! find Python gyp ERR! find Python ********************************************************** gyp ERR! find Python You need to install the latest version of Python. gyp ERR! find Python Node-gyp should be able to find and use Python. If not, gyp ERR! find Python you can try one of the following options: gyp ERR! find Python - Use the switch --python="C:\Path\To\python.exe" gyp ERR! find Python (accepted by both node-gyp and npm) gyp ERR! find Python - Set the environment variable PYTHON gyp ERR! find Python - Set the npm configuration variable python: gyp ERR! find Python npm config set python "C:\Path\To\python.exe" gyp ERR! find Python For more information consult the documentation at: gyp ERR! find Python https://github.com/nodejs/node-gyp#installation gyp ERR! find Python ********************************************************** gyp ERR! find Python gyp ERR! configure error gyp ERR! stack Error: Could not find any Python installation to use gyp ERR! stack at PythonFinder.fail (C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\node-gyp\lib\find-python.js:307:47) gyp ERR! stack at PythonFinder.runChecks (C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\node-gyp\lib\find-python.js:136:21) gyp ERR! stack at PythonFinder.<anonymous> (C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\node-gyp\lib\find-python.js:225:16) gyp ERR! stack at PythonFinder.execFileCallback (C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\node-gyp\lib\find-python.js:271:16) gyp ERR! stack at exithandler (child_process.js:301:5) gyp ERR! stack at ChildProcess.errorhandler (child_process.js:313:5) gyp ERR! stack at ChildProcess.emit (events.js:198:13) gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:246:12) gyp ERR! stack at onErrorNT (internal/child_process.js:415:16) gyp ERR! stack at process._tickCallback (internal/process/next_tick.js:63:19) gyp ERR! System Windows_NT 10.0.19042 gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\win10\\AppData\\Roaming\\nvm\\v10.22.0\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" gyp ERR! cwd D:\WorkDirectory\300. Projects\addition-game-starter\node_modules\keccak gyp ERR! node -v v10.22.0 gyp ERR! node-gyp -v v5.1.0 gyp ERR! not ok npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! keccak@1.4.0 rebuild: `node-gyp rebuild` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the keccak@1.4.0 rebuild script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above. npm WARN Local package.json exists, but node_modules missing, did you mean to install? npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\win10\AppData\Roaming\npm-cache\_logs\2021-05-20T00_26_40_528Z-debug.log "Keccak bindings compilation fail. Pure JS implementation will be used." > scrypt@6.0.3 install D:\WorkDirectory\300. Projects\addition-game-starter\node_modules\scrypt > node-gyp rebuild D:\WorkDirectory\300. Projects\addition-game-starter\node_modules\scrypt>if not defined npm_config_node_gyp (node "C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild ) else (node "C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js" rebuild ) gyp ERR! find Python gyp ERR! find Python Python is not set from command line or npm configuration gyp ERR! find Python Python is not set from environment variable PYTHON gyp ERR! find Python checking if "python" can be used gyp ERR! find Python - "python" is not in PATH or produced an error gyp ERR! find Python checking if "python2" can be used gyp ERR! find Python - "python2" is not in PATH or produced an error gyp ERR! find Python checking if "python3" can be used gyp ERR! find Python - "python3" is not in PATH or produced an error gyp ERR! find Python checking if the py launcher can be used to find Python 2 gyp ERR! find Python - "py.exe" is not in PATH or produced an error gyp ERR! find Python checking if Python is C:\Python27\python.exe gyp ERR! find Python - "C:\Python27\python.exe" could not be run gyp ERR! find Python checking if Python is C:\Python37\python.exe gyp ERR! find Python - "C:\Python37\python.exe" could not be run gyp ERR! find Python gyp ERR! find Python ********************************************************** gyp ERR! find Python You need to install the latest version of Python. gyp ERR! find Python Node-gyp should be able to find and use Python. If not, gyp ERR! find Python you can try one of the following options: gyp ERR! find Python - Use the switch --python="C:\Path\To\python.exe" gyp ERR! find Python (accepted by both node-gyp and npm) gyp ERR! find Python - Set the environment variable PYTHON gyp ERR! find Python - Set the npm configuration variable python: gyp ERR! find Python npm config set python "C:\Path\To\python.exe" gyp ERR! find Python For more information consult the documentation at: gyp ERR! find Python https://github.com/nodejs/node-gyp#installation gyp ERR! find Python ********************************************************** gyp ERR! find Python gyp ERR! configure error gyp ERR! stack Error: Could not find any Python installation to use gyp ERR! stack at PythonFinder.fail (C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\node-gyp\lib\find-python.js:307:47) gyp ERR! stack at PythonFinder.runChecks (C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\node-gyp\lib\find-python.js:136:21) gyp ERR! stack at PythonFinder.<anonymous> (C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\node-gyp\lib\find-python.js:225:16) gyp ERR! stack at PythonFinder.execFileCallback (C:\Users\win10\AppData\Roaming\nvm\v10.22.0\node_modules\npm\node_modules\node-gyp\lib\find-python.js:271:16) gyp ERR! stack at exithandler (child_process.js:301:5) gyp ERR! stack at ChildProcess.errorhandler (child_process.js:313:5) gyp ERR! stack at ChildProcess.emit (events.js:198:13) gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:246:12) gyp ERR! stack at onErrorNT (internal/child_process.js:415:16) gyp ERR! stack at process._tickCallback (internal/process/next_tick.js:63:19) gyp ERR! System Windows_NT 10.0.19042 gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\win10\\AppData\\Roaming\\nvm\\v10.22.0\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" gyp ERR! cwd D:\WorkDirectory\300. Projects\addition-game-starter\node_modules\scrypt gyp ERR! node -v v10.22.0 gyp ERR! node-gyp -v v5.1.0 gyp ERR! not ok npm WARN klay-dapp-boilerplate@0.0.1 No repository field. npm WARN klay-dapp-boilerplate@0.0.1 No license field. npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.7 (node_modules\fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.7: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}) npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! scrypt@6.0.3 install: `node-gyp rebuild` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the scrypt@6.0.3 install script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above. npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\win10\AppData\Roaming\npm-cache\_logs\2021-05-20T00_26_49_269Z-debug.log PS D:\WorkDirectory\300. Projects\addition-game-starter> - 서로 예의를 지키며 존중하는 문화를 만들어가요. - 잠깐! 인프런 서비스 운영 관련 문의는 1:1 문의하기를 이용해주세요.

2번째 강의에서 깃허브 사이트에 들어가서 zip 다운받은 후 열어서 npm install 하는 과정에서  설치가 되지않고 에러가 나옵니다. 무시하고 진행을 하려는데 나중에도 계속 안되서 질문 올립니다. 어떤 에러인지 잘 모르겠어서 해결방법을 모르겠습니다.ㅠ Microsoft Windows [Version 10.0.19042.867] (c) 2020 Microsoft Corporation. All rights reserved. C:\Users\gjj\Desktop\boilerplate-mern-stack-master>npm install npm ERR! code 1 npm ERR! path C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt npm ERR! command failed npm ERR! command C:\WINDOWS\system32\cmd.exe /d /s /c node-pre-gyp install --fallback-to-build npm ERR! Failed to execute 'C:\Program Files\nodejs\node.exe C:\Program  Files\nodejs\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js configure --fallback-to-build --module=C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding\bcrypt_lib.node --module_name=bcrypt_lib --module_path=C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding --napi_version=7 --node_abi_napi=napi --napi_build_version=0 --node_napi_label=node-v88' (1) npm ERR! node-pre-gyp info it worked if it ends with ok npm ERR! node-pre-gyp info using node-pre-gyp@0.14.0 npm ERR! node-pre-gyp info using node@15.11.0 | win32 | x64 npm ERR! node-pre-gyp WARN Using needle for node-pre-gyp https download  npm ERR! node-pre-gyp info check checked for "C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding\bcrypt_lib.node" (not found) npm ERR! node-pre-gyp http GET https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v88-win32-x64-unknown.tar.gz npm ERR! node-pre-gyp http 404 https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v88-win32-x64-unknown.tar.gz npm ERR! node-pre-gyp WARN Tried to download(404): https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v88-win32-x64-unknown.tar.gz npm ERR! node-pre-gyp WARN Pre-built binaries not found for bcrypt@3.0.8 and node@15.11.0 (node-v88 ABI, unknown) (falling back to source compile with node-gyp) npm ERR! node-pre-gyp http 404 status code downloading tarball https://github.com/kelektiv/node.bcrypt.js/releases/download/v3.0.8/bcrypt_lib-v3.0.8-node-v88-win32-x64-unknown.tar.gz npm ERR! gyp info it worked if it ends with ok npm ERR! gyp info using node-gyp@7.1.2 npm ERR! gyp info using node@15.11.0 | win32 | x64 npm ERR! gyp info ok npm ERR! gyp info it worked if it ends with ok npm ERR! gyp info using node-gyp@7.1.2 npm ERR! gyp info using node@15.11.0 | win32 | x64 npm ERR! gyp ERR! find Python npm ERR! gyp ERR! find Python Python is not set from command line or npm configuration npm ERR! gyp ERR! find Python Python is not set from environment variable PYTHON npm ERR! gyp ERR! find Python checking if "python3" can be used npm ERR! gyp ERR! find Python - "python3" is not in PATH or produced an  error npm ERR! gyp ERR! find Python checking if "python" can be used npm ERR! gyp ERR! find Python - "python" is not in PATH or produced an error npm ERR! gyp ERR! find Python checking if "python2" can be used npm ERR! gyp ERR! find Python - "python2" is not in PATH or produced an  error npm ERR! gyp ERR! find Python checking if Python is C:\Python37\python.exe npm ERR! gyp ERR! find Python - "C:\Python37\python.exe" could not be run npm ERR! gyp ERR! find Python checking if Python is C:\Python27\python.exe npm ERR! gyp ERR! find Python - "C:\Python27\python.exe" could not be run npm ERR! gyp ERR! find Python checking if the py launcher can be used to find Python npm ERR! gyp ERR! find Python - "py.exe" is not in PATH or produced an error npm ERR! gyp ERR! find Python npm ERR! gyp ERR! find Python ********************************************************** npm ERR! gyp ERR! find Python You need to install the latest version of  Python. npm ERR! gyp ERR! find Python Node-gyp should be able to find and use Python. If not, npm ERR! gyp ERR! find Python you can try one of the following options:  npm ERR! gyp ERR! find Python - Use the switch --python="C:\Path\To\python.exe" npm ERR! gyp ERR! find Python   (accepted by both node-gyp and npm)      npm ERR! gyp ERR! find Python - Set the environment variable PYTHON      npm ERR! gyp ERR! find Python - Set the npm configuration variable python: npm ERR! gyp ERR! find Python   npm config set python "C:\Path\To\python.exe" npm ERR! gyp ERR! find Python For more information consult the documentation at: npm ERR! gyp ERR! find Python https://github.com/nodejs/node-gyp#installation npm ERR! gyp ERR! find Python ********************************************************** npm ERR! gyp ERR! find Python npm ERR! gyp ERR! configure error npm ERR! gyp ERR! stack Error: Could not find any Python installation to use npm ERR! gyp ERR! stack     at PythonFinder.fail (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:302:47)      npm ERR! gyp ERR! stack     at PythonFinder.runChecks (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:136:21)npm ERR! gyp ERR! stack     at PythonFinder.<anonymous> (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:200:18) npm ERR! gyp ERR! stack     at PythonFinder.execFileCallback (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\find-python.js:266:16) npm ERR! gyp ERR! stack     at exithandler (node:child_process:333:5)    npm ERR! gyp ERR! stack     at ChildProcess.errorhandler (node:child_process:345:5) npm ERR! gyp ERR! stack     at ChildProcess.emit (node:events:378:20) npm ERR! gyp ERR! stack     at Process.ChildProcess._handle.onexit (node:internal/child_process:288:12) npm ERR! gyp ERR! stack     at onErrorNT (node:internal/child_process:480:16) npm ERR! gyp ERR! stack     at processTicksAndRejections (node:internal/process/task_queues:81:21) npm ERR! gyp ERR! System Windows_NT 10.0.19042 npm ERR! gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "configure" "--fallback-to-build" "--module=C:\\Users\\gjj\\Desktop\\boilerplate-mern-stack-master\\node_modules\\bcrypt\\lib\\binding\\bcrypt_lib.node" "--module_name=bcrypt_lib" "--module_path=C:\\Users\\gjj\\Desktop\\boilerplate-mern-stack-master\\node_modules\\bcrypt\\lib\\binding" "--napi_version=7" "--node_abi_napi=napi" "--napi_build_version=0" "--node_napi_label=node-v88" npm ERR! gyp ERR! cwd C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt npm ERR! gyp ERR! node -v v15.11.0 npm ERR! gyp ERR! node-gyp -v v7.1.2 npm ERR! gyp ERR! not ok npm ERR! node-pre-gyp ERR! build error npm ERR! node-pre-gyp ERR! stack Error: Failed to execute 'C:\Program Files\nodejs\node.exe C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js configure --fallback-to-build --module=C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding\bcrypt_lib.node --module_name=bcrypt_lib --module_path=C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt\lib\binding --napi_version=7 --node_abi_napi=napi --napi_build_version=0 --node_napi_label=node-v88' (1) npm ERR! node-pre-gyp ERR! stack     at ChildProcess.<anonymous> (C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\node-pre-gyp\lib\util\compile.js:83:29) npm ERR! node-pre-gyp ERR! stack     at ChildProcess.emit (node:events:378:20) npm ERR! node-pre-gyp ERR! stack     at maybeClose (node:internal/child_process:1067:16) npm ERR! node-pre-gyp ERR! stack     at Process.ChildProcess._handle.onexit (node:internal/child_process:301:5) npm ERR! node-pre-gyp ERR! System Windows_NT 10.0.19042 npm ERR! node-pre-gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\gjj\\Desktop\\boilerplate-mern-stack-master\\node_modules\\node-pre-gyp\\bin\\node-pre-gyp"  "install" "--fallback-to-build" npm ERR! node-pre-gyp ERR! cwd C:\Users\gjj\Desktop\boilerplate-mern-stack-master\node_modules\bcrypt npm ERR! node-pre-gyp ERR! node -v v15.11.0 npm ERR! node-pre-gyp ERR! node-pre-gyp -v v0.14.0 npm ERR! node-pre-gyp ERR! not ok npm ERR! A complete log of this run can be found in: npm ERR!     C:\Users\gjj\AppData\Local\npm-cache\_logs\2021-03-21T13_47_25_244Z-debug.log C:\Users\gjj\Desktop\boilerplate-mern-stack-master>