Doesn't work with Angular CLI output

[fetis]

I have an stats.json file from fresh and empty Angular CLI 6.2.3 project.

I generated it with ng build --stats-json

When I try to upload it I get an error

TypeError: t is undefined[Learn More] build.js:23:11036
n
https://chrisbateman.github.io/webpack-visualizer/build.js:23:11036
handleFileUpload
https://chrisbateman.github.io/webpack-visualizer/build.js:18:5209
handleFileUpload self-hosted:986:17 n/n.onloadend
https://chrisbateman.github.io/webpack-visualizer/build.js:23:9878