Invalid operators and options, and pipelines that exceed memory.
2
BadValue: unknown operator and other invalid query valuesA query value was rejected: an unknown operator, a non-array for $in or $or, or a hint that names no index.
9
FailedToParse: an option or stage specification is malformedA stage, expression or option such as the write concern could not be parsed: wrong argument names, types or missing fields.
292
Sort exceeded memory limit, but did not opt in to external sortingA sort, $group or $setWindowFields passed its 100 MB memory limit while disk use was not allowed.
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