Minecraft forge server error

[m[1;31m[01:29:55] [Server thread/ERROR] [minecraft/MinecraftServer]: Exception stopping the server
java.lang.RuntimeException: The server has failed to initialize correctly due to mod loading errors. Examine the crash report for more details.
at net.minecraftforge.common.DimensionManager.getWorld(DimensionManager.java:185) ~[?:?] {re:classloading}
at net.minecraft.server.MinecraftServer.func_71218_a(MinecraftServer.java:1004) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_213211_a(MinecraftServer.java:536) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_71260_j(MinecraftServer.java:568) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.dedicated.DedicatedServer.func_71260_j(DedicatedServer.java:549) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:676) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at java.lang.Thread.run(Unknown Source) [?:1.8.0_231] {}


This is te error message, can anyone help?