Kibana is throwing below warning while loading
"Courier Fetch: 5 of 5 shards failed."
Below is the elasticsearch log
[2016-03-09 02:39:37,947][DEBUG][action.search.type ] [ELK-ES-CLUSTER-NODE1] [541751] Failed to execute fetch phase
RemoteTransportException[[ELK-ES-CLUSTER-NODE2][...:9300][indices:data/read/search[phase/fetch/id]]]; nested: ElasticsearchException[java.lang.IllegalStateException: Field data loading is forbidden on Date]; nested: NotSerializableExceptionWrapper[java.lang.IllegalStateException: Field data loading is forbidden on Date]; nested: IllegalStateException[Field data loading is forbidden on Date];
Caused by: ElasticsearchException[java.lang.IllegalStateException: Field data loading is forbidden on Date]; nested: NotSerializableExceptionWrapper[java.lang.IllegalStateException: Field data loading is forbidden on Date]; nested: IllegalStateException[Field data loading is forbidden on Date];
Kindly help me in fixing this issue.