Manifest.json Unexpected Token

Question

Hello I pushed a react/express project up to heroku (https://polar-oasis-57801.herokuapp.com/) and received the following errors in the console: Chrome console error messages

Answer 1

This error means that the request to manifest.json does not return a valid JSON response. Probably it returns an HTML, given the fact that it fails because of a starting <.

Be sure to link the manifest.json correctly and make sure to preserve its integrity in the deployment process. Try to navigate to http://yoururl/manifest.json and check the result.

EDIT1: it seems like your link to the manifest is broken. In https://github.com/bernar83/cat-cards/blob/master/client/public/index.html , try replacing

with

EDIT2: Just checked your Heroku link and can confirm the error. Your page tries to find the manifest.json under the path /cat-cards/manifest.json which is wrong. It should only be manifest.json