Encountered an unexpected exception
net.minecraft.util.ReportedException: Exception ticking world entities
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:715) ~[MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:387) ~[ld.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613) ~[MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_131]
Caused by: java.util.UnknownFormatConversionException: Conversion = 'F'
	at java.util.Formatter$FormatSpecifier.conversion(Unknown Source) ~[?:1.8.0_131]
	at java.util.Formatter$FormatSpecifier.<init>(Unknown Source) ~[?:1.8.0_131]
	at java.util.Formatter.parse(Unknown Source) ~[?:1.8.0_131]
	at java.util.Formatter.format(Unknown Source) ~[?:1.8.0_131]
	at java.util.Formatter.format(Unknown Source) ~[?:1.8.0_131]
	at java.lang.String.format(Unknown Source) ~[?:1.8.0_131]
	at net.minecraftforge.fml.relauncher.FMLRelaunchLog.log(FMLRelaunchLog.java:78) ~[forge-1.10.2-12.18.3.2316-universal.jar:?]
	at net.minecraftforge.fml.common.FMLLog.log(FMLLog.java:37) ~[FMLLog.class:?]
	at net.minecraftforge.fml.common.FMLLog.severe(FMLLog.java:52) ~[FMLLog.class:?]
	at net.minecraft.world.World.func_72939_s(World.java:1814) ~[aid.class:?]
	at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:620) ~[ls.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:709) ~[MinecraftServer.class:?]
	... 4 more
[13:40:04] [Server thread/ERROR]: This crash report has been saved to: C:\Users\Jasper\Desktop\Server Files v3.00\Server Files v3.00\.\crash-reports\crash-2017-06-28_13.40.04-server.txt