i just checked your XAML files, you are using the latest version 2019 but i have only 2018.4 so can not help. But i suspect the error which you got is for UiPath.computervision.activities
please try like this
also refer this as well
i just checked your XAML files, you are using the latest version 2019 but i have only 2018.4 so can not help. But i suspect the error which you got is for UiPath.computervision.activities
please try like this
also refer this as well