Error messagesError classes in DatabricksUNSUPPORTED_ARRAY_KEY error conditionOn this pageUNSUPPORTED_ARRAY_KEY error condition SQLSTATE: 0A000 Array keys are not supported by: HASH_PARTITIONER HashPartitioner. MAP_SIDE_COMBINE map-side combining. REDUCE_BY_KEY_LOCALLY reduceByKeyLocally().