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{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: Cannot search on field [brand] since it is not indexed.","index_uuid":"NUsMSOtMTTOKW1vDeiyd7A","index":"magento2_product_2_v14516"}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":true,"failed_shards":[{"shard":0,"index":"magento2_product_2_v14516","node":"PybsyHTKRFyqgL-57wfZfA","reason":{"type":"query_shard_exception","reason":"failed to create query: Cannot search on field [brand] since it is not indexed.","index_uuid":"NUsMSOtMTTOKW1vDeiyd7A","index":"magento2_product_2_v14516","caused_by":{"type":"illegal_argument_exception","reason":"Cannot search on field [brand] since it is not indexed."}}}]},"status":400}

Error log record number: 57962688995e7254a56ab508dec01c40eef4406b597e593fa9d6f43e9f3dc4c9