TCPDF error: Unsupported image type: 5,1,-1|h,aaaaaa,0,0,1,1|h,aaaaaa,0,1,1,1|v,e7e7e7,0,0,1,-1|v,e7e7e7,0,42,1,-1|v,e7e7e7,0,84,1,-1|v,e7e7e7,0,126,1,-1|v,e7e7e7,0,168,1,-1