CalculateConversionPageRate.php PHP Warning

We have begun receiving this warning on the Plugins page - it repeats multiple times.

WARNING: /plugins/Goals/DataTable/Filter/CalculateConversionPageRate.php(112): Warning - Undefined array key "Goal_2_nb_conversions" - Matomo 4.14.2 - Please report this message in the Matomo forums: (please do a search first as it might have been reported already) (Module: API, Action: getOverallMoversAndShakers, Method: Actions.getPageUrls, In CLI mode: false)