PWA App open manifest.json instead of page when installed on Chrome

Question

I made an app in PWA and it was working perfectly but after a few days it started opening the manifest file instead of going into the app page every time I access the installed App. This only happens when accessing the app installed by Chrome, if you install it in Firefox it works normally.

My app: https://bortonaggio.com.br/app/

I've already tested the app through Google's Lighthouse and it doesn't give me any errors. According to it everything is normal.

Does anyone have any idea what this error could be? I haven't found anything similar on the internet in any forum.

Answer 1

I changed start_url from / to /index.html and its working and doesn't show manifest.

Answer 2

I had an empty string for startUrl in my manifest. After I changed it to "/" it worked for me.