Solved Multiverse Core Error

Every time I restart server I get this:

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[19:11:16 INFO]: [Multiverse-Portals] Enabling Multiverse-Portals v2.4-b548
[19:11:16 INFO]: [Multiverse-Portals] - Version 2.4-b548 Enabled - By Rigby and
fernferret
[19:11:16 WARN]: java.io.IOException: Couldn't get lock for plugins\Multiverse-P
ortals\debug.log
[19:11:16 WARN]: at java.util.logging.FileHandler.openFiles(Unknown Sourc
e)
[19:11:16 WARN]: at java.util.logging.FileHandler.<init>(Unknown Source)
[19:11:16 WARN]: at com.onarandombox.MultiverseCore.utils.DebugLog.<init>
(DebugLog.java:39)
[19:11:16 WARN]: at com.onarandombox.MultiversePortals.MultiversePortals.
onEnable(MultiversePortals.java:109)
[19:11:16 WARN]: at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlug
in.java:316)
[19:11:16 WARN]: at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(
JavaPluginLoader.java:332)
[19:11:16 WARN]: at org.bukkit.plugin.SimplePluginManager.enablePlugin(Si
mplePluginManager.java:412)
[19:11:16 WARN]: at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugin
(CraftServer.java:476)
[19:11:16 WARN]: at org.bukkit.craftbukkit.v1_7_R4.CraftServer.enablePlug
ins(CraftServer.java:394)
[19:11:16 WARN]: at net.minecraft.server.v1_7_R4.MinecraftServer.n(Minecr
aftServer.java:360)
[19:11:16 WARN]: at net.minecraft.server.v1_7_R4.MinecraftServer.g(Minecr
aftServer.java:334)
[19:11:16 WARN]: at net.minecraft.server.v1_7_R4.MinecraftServer.a(Minecr
aftServer.java:290)
[19:11:16 WARN]: at net.minecraft.server.v1_7_R4.DedicatedServer.init(Ded
icatedServer.java:210)
[19:11:16 WARN]: at net.minecraft.server.v1_7_R4.MinecraftServer.run(Mine
craftServer.java:458)
[19:11:16 WARN]: at net.minecraft.server.v1_7_R4.ThreadServerApplication.
run(SourceFile:628)
[19:11:16 INFO]: [Multiverse-Portals] 4 - Portals(s) loaded
[19:11:16 INFO]: [Multiverse-Portals] 4 - Portals(s) loaded

Also when the server reloads the nicks dont show anymore

 

Do you use the latest build

 

CrAzYoYoS
https://github.com/Multiverse/Multiverse-Portals/issues/323

 

Thanks everyone its fixed now YAY. I updated the latest version of craft bukkit