Logs:
11:20:47] [Server thread / INFO]: Loading properties
[11:20:47] [Server thread / INFO]: Default game type: SURVIVAL
[11:20:47] [Server thread / INFO]: Generating keypair
[11:20:47] [Server thread / INFO]: Starting Minecraft server on: 40688
[11:20:53] [Server thread / INFO]: Preparing level "world"
[11:21:10] [Server thread / INFO]: Preparing start region for level 0
[11:21:11] [Server thread / INFO]: Done (17,679s)! For help, type "help" or "?"
[11:21:11] [Server thread / INFO]: Starting GS4 status listener
[11:21:11] [Query Listener # 1 / INFO]: Query running on 0.0.0.0:40688
[11:21:37] [User Authenticator # 1 / INFO]: UUID of player Nehmtendo is 4ba08806-90a8-46b8-9450-1c5b5e817b42
[11:21:38] [Server thread / INFO]: Nehmtendo lost connection: TextComponent {text = 'Mod rejections [FMLMod: mwaw {1.7.10-0.0.7}, FMLMod: ChickenChunks {1.3.4.19}, FMLMod: DragonAPI {1.0}, FMLMod: llibrary {1.5.1}, FMLMod: CoFHCore {1.7.10R3.1.4}, FMLMod: D3Core {1.1.2.41}, FMLMod: iChunUtil {4.2.3}], siblings = [], style = Style {hasParent = false, color = null, bold = null, italic = null, underlined = null, obfuscated = null, clickEvent = null, hoverEvent = null}}
[11:21:38] [Server thread / INFO]: Nehmtendo left the game
The mods in your client have a different version than the ones on your server. You and your server must have the exact same versions of the mods
I have the exact same files…
Mods standing there remove + other versions