# co.elastic.clients.json.JsonpMappingException: Error deserializing co.elastic.clients.elasticsearch.\_types.mapping.VersionProperty: Unknown field 'index'

**URL:** <https://discuss.elastic.co/t/co-elastic-clients-json-jsonpmappingexception-error-deserializing-co-elastic-clients-elasticsearch-types-mapping-versionproperty-unknown-field-index/323316>\
**Category:** Elasticsearch\
**Tags:** language-clients\
**Created:** [January 17, 2023, 10:57am UTC](https://discuss.elastic.co/t/co-elastic-clients-json-jsonpmappingexception-error-deserializing-co-elastic-clients-elasticsearch-types-mapping-versionproperty-unknown-field-index/323316 "2023-01-17T10:57:37Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![carly.richmond](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/carly.richmond/32/104935_2.png) [@carly.richmond](https://discuss.elastic.co/u/carly.richmond)\
**Post date:** [January 17, 2023, 11:29am UTC](https://discuss.elastic.co/t/co-elastic-clients-json-jsonpmappingexception-error-deserializing-co-elastic-clients-elasticsearch-types-mapping-versionproperty-unknown-field-index/323316/2 "2023-01-17T11:29:02Z")

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Hi Sundar,

Thanks for raising this error. There is currently an open GitHub issue out for this issue. check out the below issue and discuss thread for details:

1. [GitHub Issue](https://github.com/elastic/elasticsearch-java/issues/394)
2. [Discuss thread](https://discuss.elastic.co/t/elastic-java-client-problem-with-geopointproperty-unknown-field-index/313799)

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_[View the full topic](https://discuss.elastic.co/t/co-elastic-clients-json-jsonpmappingexception-error-deserializing-co-elastic-clients-elasticsearch-types-mapping-versionproperty-unknown-field-index/323316)._