array(7) { ["root_cause"]=> array(1) { [0]=> array(2) { ["type"]=> string(26) "illegal_argument_exception" ["reason"]=> string(56) "no mapping found for `productId` in order to collapse on" } } ["type"]=> string(32) "search_phase_execution_exception" ["reason"]=> string(17) "all shards failed" ["phase"]=> string(5) "query" ["grouped"]=> bool(true) ["failed_shards"]=> array(1) { [0]=> array(4) { ["shard"]=> int(0) ["index"]=> string(29) "catalog_bodyboard_leash__prod" ["node"]=> string(22) "2q4aWXs9SnivSt-IJfoqbA" ["reason"]=> array(2) { ["type"]=> string(26) "illegal_argument_exception" ["reason"]=> string(56) "no mapping found for `productId` in order to collapse on" } } } ["caused_by"]=> array(3) { ["type"]=> string(26) "illegal_argument_exception" ["reason"]=> string(56) "no mapping found for `productId` in order to collapse on" ["caused_by"]=> array(2) { ["type"]=> string(26) "illegal_argument_exception" ["reason"]=> string(56) "no mapping found for `productId` in order to collapse on" } } }