React App crashes when running the production build

I can run my react-app (with the create-react-app boilerplate) perfectly fine with the local dev-server, but when I compile it using npm run build and then run it with a server (I tried netlify and local http-server), I do only get this error and the page does not load:

classCallCheck.js:1 Uncaught RangeError: Maximum call stack size exceeded
    at Object.a (classCallCheck.js:1)
    at e (Object.js:6)
    at e (Object.js:6)
    at e (Object.js:6)
    at e (Object.js:6)
    at e (Object.js:6)
    at e (Object.js:6)
    at e (Object.js:6)
    at e (Object.js:6)
    at e (Object.js:6)

The file Object.js is placed under src/Model/Objects/Object.js.

GitHub: https://github.com/Tracer1337/DynaSys
Deployed on Netlify: https://youthful-mestorf-9e0ba8.netlify.com/

What have I done wrong?

Source: ReactJs