Warning: imagecreatefromjpeg() [function.imagecreatefromjpeg]: gd-jpeg: JPEG library reports unrecoverable error: in D:\liqun\wp-content\themes\twentytwelve\assets\vendor\tcpdf\tcpdf.php on line 7067

Warning: imagecreatefromjpeg() [function.imagecreatefromjpeg]: 'http://www.my-ipfirm.com/wp-content/uploads/2014/10/q.png' is not a valid JPEG file in D:\liqun\wp-content\themes\twentytwelve\assets\vendor\tcpdf\tcpdf.php on line 7067
TCPDF ERROR: Some data has already been output, can't send PDF file