Solved Cannot start server : Failed to start the minecraft server java.lang.NullPointerException

I don't undestand what all that means, I cannot start my server anymore...

Code:

[13:15:05] [main/FATAL]: Failed to start the minecraft server
java.lang.NullPointerException
   at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:213) ~[craftbukkit-1.8.8-R0.1-SNAPSHOT-latest.jar:git-Bukkit-12698ea]
   at com.google.common.collect.Lists$ReverseList.<init>(Lists.java:767) ~[craftbukkit-1.8.8-R0.1-SNAPSHOT-latest.jar:git-Bukkit-12698ea]
   at com.google.common.collect.Lists.reverse(Lists.java:759) ~[craftbukkit-1.8.8-R0.1-SNAPSHOT-latest.jar:git-Bukkit-12698ea]
   at net.minecraft.server.v1_8_R3.UserCache.b(UserCache.java:191) ~[craftbukkit-1.8.8-R0.1-SNAPSHOT-latest.jar:git-Bukkit-12698ea]
   at net.minecraft.server.v1_8_R3.UserCache.<init>(UserCache.java:70) ~[craftbukkit-1.8.8-R0.1-SNAPSHOT-latest.jar:git-Bukkit-12698ea]
   at net.minecraft.server.v1_8_R3.MinecraftServer.<init>(MinecraftServer.java:124) ~[craftbukkit-1.8.8-R0.1-SNAPSHOT-latest.jar:git-Bukkit-12698ea]
   at net.minecraft.server.v1_8_R3.DedicatedServer.<init>(DedicatedServer.java:42) ~[craftbukkit-1.8.8-R0.1-SNAPSHOT-latest.jar:git-Bukkit-12698ea]
   at net.minecraft.server.v1_8_R3.MinecraftServer.main(MinecraftServer.java:849) [craftbukkit-1.8.8-R0.1-SNAPSHOT-latest.jar:git-Bukkit-12698ea]
   at org.bukkit.craftbukkit.Main.main(Main.java:169) [craftbukkit-1.8.8-R0.1-SNAPSHOT-latest.jar:git-Bukkit-12698ea]

Fixed, just deleted usercache.json
https://bukkit.org/threads/fixed-server-is-crashing-on-startup.369262/

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

@SimonGamerKSP Please mark this thread as solved.

 

Thanks so much i were raging so hard :3 before i found this