# Boolean coercion warnings for internal indices within the upgrade assistant **URL:** \ **Category:** Elasticsearch\ **Created:** [August 9, 2019, 7:46am UTC](https://discuss.elastic.co/t/boolean-coercion-warnings-for-internal-indices-within-the-upgrade-assistant/194563 "2019-08-09T07:46:37Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![Sumit\_Kumar1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sumit_kumar1/32/43471_2.png) [@Sumit\_Kumar1](https://discuss.elastic.co/u/Sumit_Kumar1)\ **Post date:** [August 9, 2019, 7:46am UTC](https://discuss.elastic.co/t/boolean-coercion-warnings-for-internal-indices-within-the-upgrade-assistant/194563/1 "2019-08-09T07:46:37Z")
Coercion of boolean fields `xg_mlbrmanual_log4j_prod-000001` 1 note - Coercion of boolean fields No action required, but it is advised to read about the change. [Read Documentation](https://www.elastic.co/guide/en/elasticsearch/reference/6.0/breaking_60_mappings_changes.html#_coercion_of_boolean_fields) Details: [[type: doc, field: containerized]] How to resolve these issues ? ![upgrade%20assistant%20error](https://us1.discourse-cdn.com/elastic/original/3X/7/0/706821a2625651d54dbcaf32211c3c2603ad4393.png) ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [September 6, 2019, 7:46am UTC](https://discuss.elastic.co/t/boolean-coercion-warnings-for-internal-indices-within-the-upgrade-assistant/194563/2 "2019-09-06T07:46:38Z")
Closed on September 6, 2019, 7:46am UTC This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.