How to fix TypeError: Cannot read property 'body' of undefined

[yasminlopestestes]

TypeError: Cannot read property 'body' of undefined
    at NgrokClient.request (C:\Users\progweb\Documents\Projetos\cucaweb-node\node_modules\ngrok\src\client.js:40:26)
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (internal/process/task_queues.js:95:5)
    at async connectRetry (C:\Users\progweb\Documents\Projetos\cucaweb-node\node_modules\ngrok\index.js:29:22)

[mschultz-kaliop]

Upgrading to v5.0.0-beta.2 works for me, thanks @xavierhamel !