Failed to load temp

I'm attempting to load the template for the Metricbeat to the kibana
And I'm getting this error:
{"error":{"root_cause":[{"type":"mapper_parsing_exception","reason":"No handler for type [keyword] declared on field [hostname]"}],"type":"mapper_parsing_exception","reason":"Failed to parse mapping [default]: No handler for type [keyword] declared on field [hostname]","caused_by":{"type":"mapper_parsing_exception","reason":"No handler for type [keyword] declared on field [hostname]"}},"status":400}

I have installed the metricbeat on a client, and just want to set up the template on the server to read the packets...
what I'm doing wrong?

Thanks for the help

What elasticsearch version do you have? The errors seems to indicate that you might be trying the 5.x template on a 2.x server?

Yes, I am -
the packets name are:

What I'm doing wrong?
I download the most up-to-date packets

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