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/2018-chevrolet-silverado-1500-lt-crew-cab-4wd-lewiston-me-10691187/&choe=UTF-8): Error parsing image file - image type not recognised, and not supported by GD imagecreate