Hi, I have two people in my house using two different computers. I have successfully created a forge multiplayer server. From this main computer I can log into Minecraft multiplayer on our "family server" and play using mods. I have the mods both in the main client "mods" folder as well as forges "mods" folder. Both computers have the exact same and most updated versions of forge as well as the exact and proper updates of the mods. The problem occurs when the non server computer attempts to join the multiplayer server, we get the following Mod rejection or error message. "Mod rejections [FMLMod:IMSM{100.0.2}]"  Any help would be greatly appreciated as I have spent two day's trying to fix this problem with no luck. Thanks ahead of time!

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RAMB0F0REVER- 

We would need full logs, but from that it just tells me that your second computer doesn't have IMSM 100.0.2 installed {whatever that is}

Hey, even though you didn't know what IMSM "100.0.2" was. I googled it and realized that the server computer had two mods loaded and the other computer only had one of them. I didn't realize the second computer needed all mods to work. So other players joining a server with mods must have the exact same ones as the server. Thanks for your time! As well this is my first forum post, I am not sure how to end this post and state that the issue was solved. Thanks again!

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RAMB0F0REVER-