# Getting error while migrating indexes from 5.6 to 6.3.0
**URL:** https://discuss.elastic.co/t/getting-error-while-migrating-indexes-from-5-6-to-6-3-0/171262
**Category:** Elasticsearch
**Created:** [March 7, 2019, 9:39am UTC](https://discuss.elastic.co/t/getting-error-while-migrating-indexes-from-5-6-to-6-3-0/171262 "2019-03-07T09:39:45Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@virendra\_oswal](https://discuss.elastic.co/u/virendra_oswal)
#### Post date: [March 7, 2019, 9:39am UTC](https://discuss.elastic.co/t/getting-error-while-migrating-indexes-from-5-6-to-6-3-0/171262/1 "2019-03-07T09:39:45Z")
Executing steps via [https://www.elastic.co/guide/en/kibana/current/migrating-6.0-index.html](https://www.elastic.co/guide/en/kibana/current/migrating-6.0-index.html)
First step is complete, when trying to exeute second step getting following error, if i validate json via tool its fine. Please assist:
> {"error":{"root\_cause":[{"type":"parse\_exception","reason":"Failed to parse content to map"}],"type":"parse\_exception","reason":"Failed to parse content to map","caused\_by":{"type":"json\_parse\_exception","reason":"Illegal unquoted character ((CTRL-CHAR, code 10)): has to be escaped using backslash to be included in name\n at [Source: org.elasticsearch.transport.netty4.ByteBufStreamInput@35977b9c; line: 254, column: 19]"}},"status":400}
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [April 4, 2019, 9:39am UTC](https://discuss.elastic.co/t/getting-error-while-migrating-indexes-from-5-6-to-6-3-0/171262/2 "2019-04-04T09:39:54Z")
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