i am trying to make a modded server for my friends to play on but It keeps on crashing when i add some mods the mods are 
 
	Appleskin
 
	bookshelf
 
	building gadgets
 
	clumps
 
	cyclic
 
	dark utils
 
	iron chest
 
	jei
 
	ore excavation 
 
	quark 
 
	the crash report is 
 
	  at net.minecraftforge.common.DimensionManager.getWorld(DimensionManager.java:182) ~[?:?] {re:classloading} 
	        at net.minecraft.server.MinecraftServer.func_71218_a(MinecraftServer.java:979) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} 
	        at net.minecraft.server.MinecraftServer.func_213211_a(MinecraftServer.java:521) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} 
	        at net.minecraft.server.MinecraftServer.func_71260_j(MinecraftServer.java:553) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} 
	        at net.minecraft.server.dedicated.DedicatedServer.func_71260_j(DedicatedServer.java:544) ~[?:?] {re:classloading,pl:accesstransformer:B} 
	        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:661) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} 
	        at java.lang.Thread.run(Unknown Source) [?:1.8.0_231] {}