NEED HELP WITH MY BLANKS AND ATRGOD, or just claim card dumping is DEAD

[captaincad123]

Hi everyone, in a dilemma here to either forget dumping and claim that its a dead game or to try on, having issues writing my 1st dump for a while, my atrgod thinks i aint using AJ2A040 blank card, but i am, i have a few blanks, the cards I have are J2A040 Java JCOP21-40k Smart Card with Hico Magnetic Strip 36k Java jcop Based, this was why my emv wasnt reading anything when I was trying to generate an IST file, please can someone shed some light here, either I have bought wrong cards or DUMPS ARE DEAD.