Adding "order" to a terms aggregator results in ArrayIndexOutOfBoundsException

I have a simple document schema on which I am trying to run the following
query :

curl -XPOST 'localhost:9200/indexName/topn/_search?pretty' -d '{
"aggregations" : {
"applid" : {
"terms" : {
"field" : "applid",
"size" : 3,
"order" : {
"tt>byt_sum" : "desc"
}
},
"aggregations" : {
"tt" : {
"filter" : {
"and" : {
"filters" : [ {
"range" : {
"t" : {
"from" : 1403211600000,
"to" : 1403216100000,
"include_lower" : true,
"include_upper" : true
}
}
}, {
"terms" : {
"gid" : [ "abcd" ]
}
} ]
}
},
"aggregations" : {
"byt_sum" : {
"sum" : {
"field" : "byt"
}
}
}
}
}
}
}
}'

This seems to give me back an error

"error" : "SearchPhaseExecutionException[Failed to execute phase [query],
all shards failed; shardFailures {[rcP5ncimTpmcUZgvn5cgSw][indexName][0]:
ArrayIndexOutOfBoundsException[null]}{[vauVf2XOQvOobpqIbp0REQ][indexName][2]:
RemoteTransportException[[Bloodstorm][inet[/10.0.0.91:9300]][search/phase/query]];
nested: ArrayIndexOutOfBoundsException;
}{[vauVf2XOQvOobpqIbp0REQ][indexName][1]:
RemoteTransportException[[Bloodstorm][inet[/10.0.0.91:9300]][search/phase/query]];
nested: ArrayIndexOutOfBoundsException;
}{[vauVf2XOQvOobpqIbp0REQ][indexName][4]:
RemoteTransportException[[Bloodstorm][inet[/10.0.0.91:9300]][search/phase/query]];
nested: ArrayIndexOutOfBoundsException;
}{[vauVf2XOQvOobpqIbp0REQ][indexName][3]:
RemoteTransportException[[Bloodstorm][inet[/10.0.0.91:9300]][search/phase/query]];
nested: ArrayIndexOutOfBoundsException; }]",
"status" : 500
}

When I take the
"order" : {
"tt>byt_sum" : "desc"
}
out, this seems to work fine. Also, the error only occurs for certain "gid"
: [ "abcd" ] parameters. FOr example, it works for "gid" : [ "1234" ].
Could you suggest what is going wrong here?

Elasticsearch version :

{
"status" : 200,
"name" : "Kylun",
"version" : {
"number" : "1.1.1",
"build_hash" : "f1585f096d3f3985e73456debdc1a0745f512bbc",
"build_timestamp" : "2014-04-16T14:27:12Z",
"build_snapshot" : false,
"lucene_version" : "4.7"
},
"tagline" : "You Know, for Search"
}

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