Bukkit

[18:46:25 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'shop
' in plugin BossShop v2.7.5
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spi
got.jar:git-Spigot-3fb9445-2b6c9f4]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:14
1) ~[spigot.jar:git-Spigot-3fb9445-2b6c9f4]
at org.bukkit.craftbukkit.v1_11_R1.CraftServer.dispatchCommand(CraftServ
er.java:650) ~[spigot.jar:git-Spigot-3fb9445-2b6c9f4]
at net.minecraft.server.v1_11_R1.PlayerConnection.handleCommand(PlayerCo
nnection.java:1354) [spigot.jar:git-Spigot-3fb9445-2b6c9f4]
at net.minecraft.server.v1_11_R1.PlayerConnection.a(PlayerConnection.jav
a:1189) [spigot.jar:git-Spigot-3fb9445-2b6c9f4]
at net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.jav
a:45) [spigot.jar:git-Spigot-3fb9445-2b6c9f4]
at net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.jav
a:1) [spigot.jar:git-Spigot-3fb9445-2b6c9f4]
at net.minecraft.server.v1_11_R1.PlayerConnectionUtils$1.run(SourceFile:
13) [spigot.jar:git-Spigot-3fb9445-2b6c9f4]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [
?:1.8.0_161]
at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_161]
at net.minecraft.server.v1_11_R1.SystemUtils.a(SourceFile:46) [spigot.ja
r:git-Spigot-3fb9445-2b6c9f4]
at net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:
747) [spigot.jar:git-Spigot-3fb9445-2b6c9f4]
at net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:
399) [spigot.jar:git-Spigot-3fb9445-2b6c9f4]
at net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:
678) [spigot.jar:git-Spigot-3fb9445-2b6c9f4]
at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.jav
a:576) [spigot.jar:git-Spigot-3fb9445-2b6c9f4]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_161]
Caused by: java.lang.IncompatibleClassChangeError: Expecting non-static method m
e.BukkitPVP.PointsAPI.PointsAPI.getPoints(Lorg/bukkit/entity/Player;)I
at org.black_ixx.bossshop.points.PointsAPIPlugin.getPoints(PointsAPIPlug
in.java:28) ~[?:?]
at org.black_ixx.bossshop.managers.features.PointsManager.getPoints(Poin
tsManager.java:127) ~[?:?]
at org.black_ixx.bossshop.managers.misc.StringManager.transform(StringMa
nager.java:82) ~[?:?]
at org.black_ixx.bossshop.managers.misc.StringManager.transform(StringMa
nager.java:65) ~[?:?]
at org.black_ixx.bossshop.managers.ItemStackTranslator.translateItemStac
k(ItemStackTranslator.java:30) ~[?:?]
at org.black_ixx.bossshop.managers.ShopCustomizer.createInventory(ShopCu
stomizer.java:67) ~[?:?]
at org.black_ixx.bossshop.managers.ShopCustomizer.createInventory(ShopCu
stomizer.java:29) ~[?:?]
at org.black_ixx.bossshop.core.BSShop.createInventory(BSShop.java:286) ~
[?:?]
at org.black_ixx.bossshop.core.BSShop.openInventory(BSShop.java:329) ~[?
:?]
at org.black_ixx.bossshop.core.BSShops.openShop(BSShops.java:98) ~[?:?]
at org.black_ixx.bossshop.core.BSShops.openShop(BSShops.java:94) ~[?:?]
at org.black_ixx.bossshop.managers.CommandManager.onCommand(CommandManag
er.java:241) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spi
got.jar:git-Spigot-3fb9445-2b6c9f4]
... 15 more