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I'm having a little confusion around getting errors create in Map/Reduce stage to appear in the iterator in the summarize stage. If I `throw` the `error.create` in the Map/Reduce stage i do have it in the iterator but it also shows as a system error in the Map/Reduce stage. I assumed that system errors would not show in the Map/Reduce stages and only show in the errors iterator in the summarize stage. Anyone have any clue about this?

```if (value) {
  // Do My Stuff
} else {
  error.create()
}```

That is basically what i am doing but have tried the below as well.
```if (value) {
  // Do My Stuff
} else {
  throw error.create()
}```


Doing the second works but throw the error in the stage as well as summarize

ok but then why do i get an exception in logs. Do i have to wrap in a try catch to stop the exception in the stage