The current error message states:
2018-01-22T13:38:07.220-0500 E QUERY [thread1] Error: command failed: { "ok" : 0, "errmsg" : "cannot sort with keys that are parallel arrays", "code" : 2, "codeName" : "BadValue" } : aggregate failed :
I would suggest removing the term parallel array for something more user-friendly, like "cannot sort on multiple fields containing arrays"
- is related to
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SERVER-32839 Aggregation sorts on multiple array fields produce error in 3.6
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- Closed
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- links to