mPDF error: IMAGE Error (https://zxing.org/w/chart?cht=qr&chs=350x350&chld=L&choe=UTF-8&chl=https://www.maineautomall.com/cars-for-sale/2017-mazda-mazda-mx-5-miata-auburn-me-10590612/&choe=UTF-8): Could not find image file