FacetList.eventTracker.clickedFilters throws 422 syntax error

[sparkmagicllc]

Describe the bug 🐛
Insights Events API request payload body has a syntax error AlgoliaApiException{statusCode: 422, error: {"status":422,"message":"Syntax error near: \"Facet Value\", expected a filter"}}:

To Reproduce 🔍
Steps to reproduce the behavior:

1. click Facet List and toggle selection of a facet filter value
2. eventTracker is enabled

Expected behavior 💭

FacetList.eventTracker.clickedFilters(
        eventName: 'testing clicked filter',
        values: ["facet_name:"+Uri.encodeComponent(facet_value)]);

Screenshots 🖥
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Environment:

• all Additional context
  Add any other context about the problem here.

[Peetee06]

I just ran into the same issue following the Getting started guide using our own Algolia application. The filters seem to be correctly applied nevertheless.