Unable to display my app on the hello world code sample- 'block run'

[Peter_Nguyen]

Hi,

I’m following this tutorial to run a hello world Airtable app: Hello, World Airtable app .

Everything runs well on blocks-cli after I execute block runs and I have https://localhost:9000 displays on my browser without any issue. However, when I come to the app section on Airtable, it shows an error log: /usr/local/lib/node_modules/@airtable/blocks-cli/transpiled/src/builder/node_modules/yaml/index.d.ts: Cannot read property 'get' of undefined (screenshot below).

I’ve tested on both Node 14.0.1 and Node 12.0.0 & reinstall @airtable/blocks-cli multiple times but no luck.

Anyone faced this issue before? I highly appreciate any help!