mPDF error: IMAGE Error (https://zxing.org/w/chart?cht=qr&chs=350x350&chld=L&choe=UTF-8&chl=https://www.newenglandautomall.com/cars-for-sale/2025-volkswagen-atlas-cross-sport-sel-r-line-black-4motion-wakefield-ri-1883108/&choe=UTF-8): Could not find image file