No handler for type [text] declared on field es_index.json

[AbsoZed]

Setting up ElasticSearch Index on Ubuntu 18.04 yields the following results:

absozed@DevBox:$ curl -XPUT localhost:9200/samples -H "Content-Type: application/json" -d @es_index.json

{"error":{"root_cause":[{"type":"mapper_parsing_exception","reason":"No handler for type [text] declared on field [emails]"}],"type":"mapper_parsing_exception","reason":"Failed to parse mapping [kit]: No handler for type [text] declared on field [emails]","caused_by":{"type":"mapper_parsing_exception","reason":"No handler for type [text] declared on field [emails]"}},"status":400}