I don’t know what is the problem , i think version error or incompatibility , but some server run with plugins and with this modpack …
I have try to add “aaa” at my file spongeForge.jar for starting this mod in first but doesn’t effect.
I have try to reinstall 3 times but same error with fresh install.
I have try 4 version of spongeforge same.
Forge version : 1.12.2 : 126.96.36.19968
SpongeForge version: the latest ( 1.12.2-2768-7.1.5-RC3506 )
Thanks for help.
ps: sorry for my english , i’m french.