小编Jac*_*ack的帖子

我已经克隆了这个 repo ( https://github.com/docusign/code-examples-node ) 并且相信我已经输入了所有必需的密钥和代码。但是，当我尝试使用 JWT 进行身份验证时，出现此错误：

    at Sign.sign (internal/crypto/sig.js:105:29)
    at Object.sign (C:\Users\BrownJ3\Documents\repos\code-examples-node\node_modules\jwa\index.js:152:45)
    at Object.jwsSign [as sign] (C:\Users\BrownJ3\Documents\repos\code-examples-node\node_modules\jws\lib\sign-stream.js:32:24)
    at Object.module.exports [as sign] (C:\Users\BrownJ3\Documents\repos\code-examples-node\node_modules\docusign-esign\node_modules\jsonwebtoken\sign.js:189:16)
    at generateAndSignJWTAssertion (C:\Users\BrownJ3\Documents\repos\code-examples-node\node_modules\docusign-esign\src\ApiClient.js:62:16)
    at exports.requestJWTUserToken (C:\Users\BrownJ3\Documents\repos\code-examples-node\node_modules\docusign-esign\src\ApiClient.js:890:19)
    at _DsJwtAuth._getToken [as getToken] (C:\Users\BrownJ3\Documents\repos\code-examples-node\lib\DSJwtAuth.js:85:33)
    at log (C:\Users\BrownJ3\Documents\repos\code-examples-node\lib\DSJwtAuth.js:174:33)
    at _DsJwtAuth.DsJwtAuth.login (C:\Users\BrownJ3\Documents\repos\code-examples-node\lib\DSJwtAuth.js:184:5)
    at commonControllers.login (C:\Users\BrownJ3\Documents\repos\code-examples-node\lib\commonControllers.js:36:16) {
  library: 'PEM routines',
  function: 'get_name',
  reason: 'no start line',
  code: 'ERR_OSSL_PEM_NO_START_LINE```