Get initial log from Logstash warning

[Badger]

@arazdolski

"error"=>{"type"=>"mapper_parsing_exception", "reason"=>"object mapping for [k.v] tried to parse field [v] as object, but found a concrete value"}}}`

See this answer. Once you have indexed an document in which [k][v] is an object any event in which [k][v] is text will be rejected.