我使用的是aws elasticsearch 6.5版本，我的searchkick版本是searchkick-3.1.3。当我运行下面的命令

rake searchkick:reindex:all

给我一个错误->

**Execute searchkick:reindex

rake aborted!
Elasticsearch::Transport::Transport::Errors::BadRequest: [400] {"error":{"root_cause":[{"type":"mapper_parsing_exception","reason":"Root mapping definition has unsupported parameters:  [customer : {_routing={}, dynamic_templates=[{string_template={mapping={ignore_above=30000, type=keyword, fields={analyzed={analyzer=searchkick_index, index=true, type=text}}}