I'm pretty sure 2.6 doesn't have the 2nd stage ROP for 4.x MSET DG, so whether or not they install the 4.x DG ROP, it won't load.weird...
Try the one in the alpha0 (CakesROP.nds) : https://gbatemp.net/threads/release...olkit-fw-2-0-9-2.382782/page-343#post-5574552
And copy ropCustom.txt too.
I can't use 3.0 as the Internet Browser freezes when a game is running. I use the Shuffleshop hack.
I guess you're SOL then until 3.0RC comes out, sorry.