My guess is you probably didn't define field1.earliest and field1.latest on your target dashboard. I assume you have a time input on your target dashboard. Can you share the simple xml for your target dashboard, at least the parts where this token is defined?
If those are available, what's in the passed token? You can find out via console by doing
var defaultTokenModel = splunkjs.mvc.Components.get("default");
If that says "undefined", can you check the url on the target page to see if it contains the token? Also, which version is this?
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