All the examples stopped working on the documentation. When pressing the RUN button we get back a cors issue
Also:
Uncaught ReferenceError: Raven is not defined
at Object.<anonymous> (runnable.js?6e7f328df4134d18ba5c8dd11f84deb8:403)
at i (jquery-3.2.1.min.js:2)
at Object.fireWith [as rejectWith] (jquery-3.2.1.min.js:2)
at A (jquery-3.2.1.min.js:4)
at XMLHttpRequest.<anonymous> (jquery-3.2.1.min.js:4)