Instantsearch doesn't work

Instantsearch produces the following error:

Uncaught TypeError: Cannot read property ‘matchedWords’ of undefined
at eval (eval at m.template (underscore.min.js?ver=1.8.3:5), :25:48)
at c (underscore.min.js?ver=1.8.3:5)
at wp-util.min.js?ver=4.7.2:1
at a (autocomplete.min.js?ver=1.7.0:7)
at (autocomplete.min.js?ver=1.7.0:6)
at d (autocomplete.min.js?ver=1.7.0:7)
at d._render (autocomplete.min.js?ver=1.7.0:7)
at b (autocomplete.min.js?ver=1.7.0:7)
at Object.callback (autocomplete.min.js?ver=1.7.0:7)
at algoliasearch.jquery.min.js?ver=1.7.0:3

Hi @lars,

Do you mind telling us if you customized the fields that you index or if you altered the default index settings directly from Algolia’s dashboard?