truffle deploy --network klaytn 부분

rror: Cannot find module './build/Release/scrypt'

    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:582:15)

    at Function.Module._load (internal/modules/cjs/loader.js:508:25)

    at Module.require (internal/modules/cjs/loader.js:637:17)

    at require (internal/modules/cjs/helpers.js:22:18)

    at Object.<anonymous> (C:\Users\한현구\addition-game-starter\node_modules\scrypt\index.js:3:20)

    at Module._compile (internal/modules/cjs/loader.js:701:30)

    at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10)

    at Module.load (internal/modules/cjs/loader.js:600:32)

    at tryModuleLoad (internal/modules/cjs/loader.js:539:12)

    at Function.Module._load (internal/modules/cjs/loader.js:531:3)

    at Module.require (internal/modules/cjs/loader.js:637:17)

    at require (internal/modules/cjs/helpers.js:22:18)

    at Object.<anonymous> (C:\Users\한현구\addition-game-starter\node_modules\scrypt.js\node.js:1:14)

    at Module._compile (internal/modules/cjs/loader.js:701:30)

    at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10)

    at Module.load (internal/modules/cjs/loader.js:600:32)

    at tryModuleLoad (internal/modules/cjs/loader.js:539:12)

    at Function.Module._load (internal/modules/cjs/loader.js:531:3)

    at Module.require (internal/modules/cjs/loader.js:637:17)

    at require (internal/modules/cjs/helpers.js:22:18)

    at Object.<anonymous> (C:\Users\한현구\addition-game-starter\node_modules\connect-privkey-to-provider\node_modules\caver-js\packages\caver-klay\caver-klay-accounts\src\index.js:34:16)

    at Module._compile (internal/modules/cjs/loader.js:701:30)

---------------------------------------------

npm install                    

npm WARN acorn-dynamic-import@4.0.0 requires a peer of acorn@^6.0.0 but none is installed. You must install peer dependencies yourself.

npm WARN requestretry@2.0.2 requires a peer of request@~2.87.0 but none is installed. You must install peer dependencies yourself.

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 install 부분도 잘 되었고 truffle.js 와 2_deploy_contracts.js 도 혹시 오타가 있을까 강의 파일을 복사해서 해봤는데 자꾸 저렇게 뜨는데 어떤 문제인가요 private_key 는 제 비밀키로 잘 설정했고

node v : 10.15.3

npm v : 6.4.1

truffle v : 4.1.15