Posted May 6, 20187 yr I have 1.12.2 forge and 1.7.10 forge at the same time, and now when I start up the game, this message appears: The game crashed whilst initializing game The game crashed whilst initializing game Error: java.lang.NoClassDefFoundError: cer (Yes I am aware that I use the LOLCAT - Kingdom of Cats language, I think it's funny!) (EDIT: I have figured it was mods, I have created 3 folders named "1.12.2 mods", "1.7.10 mods" and "1.6 mods and under" Edited May 13, 20187 yr by mayronnaise
May 13, 20187 yr Author I figured it was the mods. I have created 3 folders named "1.12.2 mods" "1.7.10 mods" and "1.6 mods and under"
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