Albert, it seems that it was a mistake of Adobe, now everything it's working again but, when something like this happens again, try to remove the events from the build and try to compile. If compiles (I'm pretty sure of it), start adding events one by one, to look when crashes the compile.

try thisPromise PolyfillThis extension has no configuration. When installed it will make the Promise API available globally once the Launch library has loaded. This will allow you to use the Promise API inside Custom Code blocks or with any external code outside of your Launch library.You can find more information about Promises here:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promisehttps://developers.google.com/web/fundamentals/primers/promiseshttps://mediu...