Could not query index: Invalid query: { "bool" : { "must" : [ { "query_string" : { "query" : "contribution.agent.id:", "fields" : [ "_all^1.0", "otherTitleInformation^1.0", "title^1.0" ], "use_dis_max" : true, "tie_breaker" : 0.0, "default_operator" : "or", "auto_generate_phrase_queries" : false, "max_determinized_states" : 10000, "enable_position_increments" : true, "fuzziness" : "AUTO", "fuzzy_prefix_length" : 0, "fuzzy_max_expansions" : 50, "phrase_slop" : 0, "escape" : false, "split_on_whitespace" : true, "boost" : 1.0 } } ], "disable_coord" : false, "adjust_pure_negative" : true, "boost" : 1.0 } }