Julius

3 years no change :o

Actually, this is probably due to the fact that it is no longer possible to delete a type (or at least a type mapping). Ref: https://www.elastic.co/guide/en/elasticsearch/reference/5.6/indices-delete-mapping.html

++

I had the same issue with v2.x. Rolling back to v1 helped. Didn't notice anything in the [CHANGELOG.md](./CHANGELOG.md)