yarn run v1.23.0-0
$ parcel index.html --port 3000
Server running at http://localhost:3000
🚨 /Users/duane/Relm/three-gltf-viewer/assets/favicon.ico: Invalid Version: undefined
at new SemVer (/Users/duane/Relm/three-gltf-viewer/node_modules/semver/semver.js:314:11)
at compare (/Users/duane/Relm/three-gltf-viewer/node_modules/semver/semver.js:647:10)
at lt (/Users/duane/Relm/three-gltf-viewer/node_modules/semver/semver.js:688:10)
at /Users/duane/Relm/three-gltf-viewer/node_modules/@babel/preset-env/lib/index.js:280:22
at Object.default (/Users/duane/Relm/three-gltf-viewer/node_modules/@babel/helper-plugin-utils/lib/index.js:22:12)
at getEnvPlugins (/Users/duane/Relm/three-gltf-viewer/node_modules/parcel-bundler/src/transforms/babel/env.js:62:34)
at getEnvConfig (/Users/duane/Relm/three-gltf-viewer/node_modules/parcel-bundler/src/transforms/babel/env.js:12:25)
at async getBabelConfig (/Users/duane/Relm/three-gltf-viewer/node_modules/parcel-bundler/src/transforms/babel/config.js:32:19)
at async babelTransform (/Users/duane/Relm/three-gltf-viewer/node_modules/parcel-bundler/src/transforms/babel/transform.js:6:16)
at async JSAsset.pretransform (/Users/duane/Relm/three-gltf-viewer/node_modules/parcel-bundler/src/assets/JSAsset.js:83:5)
FYI: I was unable to get three-gltf-viewer running "off the shelf" due to this bug:
https://github.com/parcel-bundler/parcel/issues/5943
Here's the output I saw: