skyfactory 4 friend unable to join

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    me and my friends wanted to have a skyfactory 4 server so we made one. Me and one of my friends could join just fine but my ohter friend is unable to join because he is missing a mod i think if i understood the console correctly what happens is that he joins the server it says (username) joined the game

    then a few seconds (username left the game) heres a part off the console:


    [20:18:01] [Netty Epoll Server IO #5/INFO] [FML]: Attempting connection with missing mods [bedpatch] at CLIENT

    [20:18:01] [Netty Epoll Server IO #5/INFO] [journeymap]: CLIENT

    [20:18:01] [Netty Epoll Server IO #5/INFO] [CodeChickenLib-ConfigSync]: Skipping config sync, No mods have registered a syncable config.

    [20:18:10] [Server thread/INFO] [FML]: [Server thread] Server side modded connection established

    [20:18:10] [Server thread/INFO] [minecraft/PlayerList]: baasbij2008[/77.173.212.33:51872] logged in with entity id 28 at (2.5, 72.0, 2.5)

    [20:18:10] [Server thread/INFO] [topography]: reading json {"Topography-Preset":"Sky Factory 4"}

    [20:18:10] [Server thread/INFO] [topography]: Sending sync packet with preset Sky Factory 4

    [20:18:10] [Server thread/INFO] [minecraft/DedicatedServer]: §ebaasbij2008§r§e joined the game§r

    [20:18:10] [Server thread/INFO] [Waila]: Player EntityPlayerMP['baasbij2008'/28, l='world', x=2.50, y=72.00, z=2.50] connected. Sending ping

    [20:18:10] [Server thread/INFO] [buildinggadgets]: Sending SyncedConfig to freshly logged in player baasbij2008.

    [20:18:10] [Server thread/INFO] [Prestige]: Syncing requested for baasbij2008.

    [20:18:10] [Server thread/INFO] [FML]: Loading dimension 144 (world) (net.minecraft.server.dedicated.DedicatedServer@7274dca6)

    [20:18:10] [Server thread/INFO] [compactmachines3]: Loaded data for compact machine world: 0 spawn points, next machine id is 0, players with beds: 0

    [20:18:10] [Server thread/INFO] [EnderCore]: Sending server configs to client for com.enderio.core.common.config.ConfigHandler

    [20:18:10] [Server thread/INFO] [Mekanism]: Sent config to 'baasbij2008.'

    [20:18:10] [Server thread/INFO] [ViesCraft]: Logged in Server

    [20:18:10] [Server thread/INFO] [Astral Sorcery]: [Astral Sorcery] Waiting for server synchronization on login for baasbij2008...

    [20:18:10] [Server thread/INFO] [Astral Sorcery]: [Astral Sorcery] Synchronizing baseline information to baasbij2008

    [20:18:10] [Server thread/INFO] [FML]: Unloading dimension 144

    [20:18:25] [Server thread/INFO] [minecraft/NetHandlerPlayServer]: baasbij2008 lost connection: Timed out

    [20:18:25] [Server thread/INFO] [minecraft/DedicatedServer]: §ebaasbij2008§r§e left the game§r

    [20:20:42] [Server thread/INFO] [minecraft/NetHandlerLoginServer]: com.mojang.authlib.GameProfile@32f84dc4[id=<null>,name=JjoydGarmadon1,properties={},legacy=false] (/82.170.124.112:53826) lost connection: Disconnected

    Tell your friend to check if the modpack version on his PC matches the modpack version on the server