I use my Minecraft.net email and password to sign into the minecraft launcher, trying the same doesn't work on the technical launcher neither does inputting my minecraft username and password into tekkit launcher. (sorry for the long wait for reply)
never got a reply back and im having the same issue too
Need Mojang account to sign in but can only make Minecraft.net!
in Technic Launcher
Posted
never got a reply back and im having the same issue too