What are these 'Missing Mods'

[RealThearin]

How to fix these things contact me on discord because im not that active on my emails : RealThearin#9639

This is what I see:

---- Minecraft Crash Report ----
// This doesn't make any sense!

Time: 15/03/20 12:20 PM
Description: Exception in server tick loop

Missing Mods:
    unknown : need [2.4.18,): have missing

Missing Mods:
    unknown : need [1.12.2-0.5.73,): have missing

Missing Mods:
    unknown : need [1.12.2-0.5.73,): have missing

Missing Mods:
    unknown : need [1.12.2-0.5.73,): have missing

Missing Mods:
    unknown : need [1.12.2-0.5.73,): have missing

Missing Mods:
    unknown : need [1.12.2-0.5.73,): have missing

Missing Mods:
    unknown : need [1.12.2-0.5.73,): have missing

Missing Mods:
    unknown : need [1.12.2-2.0.20.1,1.12.2-2.0.20.9999): have missing

Missing Mods:
    unknown : need [1.12.2-0.1.2.8,1.12.2-2.0.0.0): have missing

Missing Mods:
    unknown : need any: have missing

Missing Mods:
    unknown : need [1.0.15,): have missing

Missing Mods:
    unknown : need [1.1.2,): have missing

Missing Mods:
    unknown : need [3.5.4,): have missing

Missing Mods:
    unknown : need [1.12-1.3.3.49,): have missing

Missing Mods:
    unknown : need [4.6.0,4.7.0): have missing
    unknown : need [2.6.0,2.7.0): have missing
    unknown : need [3.2.2,): have missing

net.minecraftforge.fml.common.MultipleModsErrored
    at net.minecraftforge.fml.common.Loader.sortModList(Loader.java:300)
    at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:572)
    at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:98)
    at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:333)
    at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:125)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486)
    at java.lang.Thread.run(Unknown Source)
 

[DaemonUmbra]

1.12 is no longer supported on this forum.

Please update to a modern version of Minecraft to receive support.