TCPDF error: Unsupported image type: png&disposition=inline&hash=&limit=0&content_type=image%2fpng&tknv=v2&rtoken=4f7d2c468327106068c35da8c497502f&force_default=no&ycrid=na-328c4de90c2fdf30247b67631b07ef80-downloader8d