It seems that someone has ran into a similar error on August 9; it may be a known console bug. I guess I’ll call the mutation from the playground for now.

It's an error from

graphcool-lib

when event.context.graphcool is undefined. In a SE, that should be populated automatically. The example event should not contain headers.

Oh ok, so if I removed headers it should just work?

Put a

console.log(event.context.graphcool)

inside your function. When doing a test run, you should see 'pat' and 'projectId' being logged.

That’s correct, I do

No. If those are defined, then you should not receive that error.

It does.

I can confirm that it doesn't work after reopening the function, because the example event was replaced, and now contains an empty

"context" : { headers: {} }

Ok

This bug is the root cause: https://github.com/graphcool/console/issues/1235. Initially, the correct example event is shown, after reopening, it get's replaced