Kong/insomnia · error · Error

Invalid certificate configuration: "cert+key" and "pfx" can

Error message

Invalid certificate configuration: "cert+key" and "pfx" can not be set at the same time

What it means

Error "Invalid certificate configuration: "cert+key" and "pfx" can not be set at the same time" thrown in Kong/insomnia.

Source

Thrown at packages/insomnia-scripting-environment/src/objects/request.ts:577

      _id: '',
      type: 'ClientCertificate',
      parentId: '',
      modified: 0,
      created: 0,
      isPrivate: false,
      name: updatedReq.certificate.name || '',
      disabled: updatedReq.certificate.disabled || false,
      host: '*',
      key: updatedReq.certificate.key?.src,
      cert: updatedReq.certificate.cert?.src,
      passphrase: updatedReq.certificate.passphrase || null,
      pfx: null,
    };

    return [specifiedCert, ...originalClientCertificates];
  }

  throw new Error('Invalid certificate configuration: "cert+key" and "pfx" can not be set at the same time');
}

export function toScriptRequestBody(insomniaReqBody: InsomniaRequestBody): RequestBodyOptions {
  let reqBodyOpt: RequestBodyOptions = { mode: undefined };

  if (insomniaReqBody.text !== undefined) {
    reqBodyOpt = {
      mode: 'raw',
      raw: insomniaReqBody.text,
    };
  } else if (insomniaReqBody.fileName !== undefined && insomniaReqBody.fileName !== '') {
    reqBodyOpt = {
      mode: 'file',
      file: insomniaReqBody.fileName,
    };
  } else if (insomniaReqBody.params !== undefined) {
    reqBodyOpt = {
      mode: 'urlencoded',

View on GitHub (pinned to d9bb2b0142)

When it happens

Trigger: Thrown at packages/insomnia-scripting-environment/src/objects/request.ts:577 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

AI-assisted analysis of Kong/insomnia@d9bb2b0142 (2026-08-26). Data as JSON: /api/errors/ae2c3f7139fd3a71. Report an issue: GitHub.