The error seems to happens for every kind of partial update / atomic update when the _root_ field was added to the schema of an existing index.
This means, Solr 8.8.2 now requires a full reindex when one adds the _root_ field to the schema of an existing index. Previously (Solr 8.6.3) this wasn't required, and I also don't understand why this would be needed? Would you agree, that this is a bug? -- Sent from: https://lucene.472066.n3.nabble.com/Solr-User-f472068.html
