it keeps saying that and only thing that changed is that my launcher changed and idk why that happened and can someone please help me with that issue
im getting the same thing , with new launcher on agrarian.mineyourmind.net, agrarian-new.mym.li and play.mym.li
curse and the new mojang launcher it downloads[DOUBLEPOST=1489195421][/DOUBLEPOST]seems its the new mojang launcher, i started up AG skys on multimc and got on fine
got same ıssue... usıng curse launcher, mym launcher does not work for me, does not download any modpack at all, sometimes gives login error bad credentials etc. is not stable from my point of view..
Found a fix: use the original ftb launcher that works but the mobspawner still glitches out from time to time