Can someone help me figure out what this error is? It keeps popping up in our integrations and I'd like to see what the root cause it. Tap failed with code -9. Target ...

Lately, trucks carrying huge cargo have been driving through Skellefteå in the late evenings. Some wide, and some extremely long. They're all followed by multiple yellow cars with blinking lights that ...

I don't get the whole SuggestionStage thing. Comments say it's to help speed things up and be more memory efficient, but looking at the code I can't see how it would do anything but the opposite.