Error: No output produced.

A3=0507&L=CERVANTES-L&E=0&P=16433&B=--%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D_21407125%3D%3D_&T=multipart%2Fmixed;%20charset=&pending=

non-zero errno: 2