Help: Unable to save to the hub, please try again and check if the hub is responding

When trying to paste code into the app code editor, i get this message:
"Unable to save to the hub, please try again and check if the hub is responding."

I've tried again. And the hub is responding to evertyhing else. Ideas?

Try editing a working driver and just make a minor change like adding a comment or something and save it. That would rule out bad code as the issue it has with saving the one you are attempting.

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Ah. Simple edit worked fine. I've never had bad code throw this error, and I'm sure I've had some really bad code before ha. This must take the cake... what in the world would do this....lots of code to inspect now i guess...

Found it. Wow, seems like a parseable error that would be handled gracefully rather than prevent code saving...

labelIDs.each { -> labelID caused the hub not to save the code

should have been

labelIDs.each { labelID ->

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