On upgrading to solr 8.3 also I am facing the same issue as SOLR-13523. I have added these on my schema <field name="_root_" type="string" indexed="true" stored="true" docValues="false" /> <fieldType name="_nest_path_" class="solr.NestPathField" maxCharsForDocValues="-1" /> <field name="_nest_path_" type="_nest_path_" indexed="true" stored="true" docValues="false" /> <field name="_nest_parent_" type="string" indexed="true" stored="true"/>
Document present in solr: [{ "id": "parent1", "isInStock": 1, "parent": true, "_childDocuments_": [ { "id": "child 1", "isInStock": 0, "parent": false } ] }] On doing atomic update I am getting this <https://lucene.472066.n3.nabble.com/file/t495295/Screenshot_2019-11-19_at_5.png> -- Sent from: https://lucene.472066.n3.nabble.com/Solr-User-f472068.html