Failed to parse date field yyyy/MM/dd HH:mm:ss [SOLVED]

Elastic Stack Logstash
5

Here is the event structure

{
                "message" => "2016/11/03 13:52:14 kid1| urlParse: URL too large (8860 bytes)",
               "@version" => "1",
             "@timestamp" => "2016-11-03T12:52:15.071Z",
                   "type" => "squidservice_mobylette",
                   "tags" => [
            [0] "serveur_proxy",
            [1] "squidservice_mobylette",
            [2] "squidservice",
            [3] "mobylette",
            [4] "RES",
            [5] "groked"
        ],
                   "host" => "mobylette",
                   "path" => "/var/log/squid/cache.log",
        "squid_timestamp" => "2016/11/03 13:52:14",
                "content" => "urlParse: URL too large (8860 bytes)"
    }