TCPDF error: Unsupported image type: it/books?id=fbebaaaaqaaj&hl=it&hl=it&pg=ra2-pt243&img=1&zoom=3&sig=acfu3u0nf8kqwzr-yh2yzh-sqj4smpssfg&ci=64%2c23%2c896%2c1378&edge=0