ezrecommendation:export:run command throws "Return value of EzSystems\EzRecommendationClient\Field\Value::getParsedFieldValue() must be of the type string, none returned" exception when execution will reach the following branch

https://github.com/ezsystems/ezrecommendation-client/blob/d46cecd6bfebb26e3953a1723bf2b8e76965cf8a/src/lib/Field/Value.php#L222-L228