# Help with unassigned shards / CircuitBreakingException / Values less than -1 bytes are not supported

**URL:** <https://discuss.elastic.co/t/help-with-unassigned-shards-circuitbreakingexception-values-less-than-1-bytes-are-not-supported/257441>\
**Category:** Elasticsearch\
**Created:** [December 3, 2020, 3:17am UTC](https://discuss.elastic.co/t/help-with-unassigned-shards-circuitbreakingexception-values-less-than-1-bytes-are-not-supported/257441 "2020-12-03T03:17:47Z")\
**Posts on this page:** 1\
**Showing post:** 24

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**Author:** ![DevFullStack](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/devfullstack/32/77057_2.png) [@DevFullStack](https://discuss.elastic.co/u/DevFullStack)\
**Post date:** [December 18, 2020, 11:14pm UTC](https://discuss.elastic.co/t/help-with-unassigned-shards-circuitbreakingexception-values-less-than-1-bytes-are-not-supported/257441/24 "2020-12-18T23:14:22Z")

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I may have found a breaking change in **v.7.4** on testing the upgrade from `7.1.0` to `7.10.1`:  
[Ignore\_malformed fires mapper\_parsing\_exception for keyword type on 7.10.1 (it worked on 7.1.0)](https://discuss.elastic.co/t/ignore-malformed-fires-mapper-parsing-exception-for-keyword-type-on-7-10-1-it-worked-on-7-1-0/259142)

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_[View the full topic](https://discuss.elastic.co/t/help-with-unassigned-shards-circuitbreakingexception-values-less-than-1-bytes-are-not-supported/257441)._