dm800hdse

Anyone can help me to find a fix for this issue? After flashing my box, first I got this error r01:no ca found, and after reflashing it again I have this error "2nd failed!". I don't know how to fix it, but in forums, people say I need a Second Stage Boot Loader! Do you know where to find it?

DM800HDse : OpenATV 6.1 for Japhar NC3 OE2.x Kernel 3.2 (BetaV4)The images are more or less untested, but since already openATV 6.1 Images distributed in div forums should be but more or less hardly give problems.The openATV 6.1 images are parallel to 6.0, please report with the box model.So we...