server not starting

[Blue_Fusion]

Hello guys i need help with this, i cant start my server.
skype: sajjad.ksh

[21:53:02] [main/FATAL]: Failed to start the minecraft server
java.lang.NullPointerException
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:213) ~[minecraft_server.jar:git-PaperSpigot-"8b18730"]
at com.google.common.collect.Lists$ReverseList.(Lists.java:767) ~[minecraft_server.jar:git-PaperSpigot-"8b18730"]
at com.google.common.collect.Lists.reverse(Lists.java:759) ~[minecraft_server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.UserCache.b(UserCache.java:191) ~[minecraft_server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.UserCache.(UserCache.java:70) ~[minecraft_server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.MinecraftServer.(MinecraftServer.java:126) ~[minecraft_server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.DedicatedServer.(DedicatedServer.java:43) ~[minecraft_server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.MinecraftServer.main(MinecraftServer.java:984) [minecraft_server.jar:git-PaperSpigot-"8b18730"]
at org.bukkit.craftbukkit.Main.main(Main.java:201) [minecraft_server.jar:git-PaperSpigot-"8b18730"]

 

[Latouth]

User said he fixed his issue. Should get closed.