mPDF error: IMAGE Error (https://chart.googleapis.com/chart?chs=300x300&cht=qr&chl=https://newenglandautomall.com/cars-for-sale/2020-gmc-sierra-1500-denali-derry-nh-1782665/&choe=UTF-8): Error parsing image file - image type not recognised, and not supported by GD imagecreate