paper 1.18.1

[20:11:20 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'lojas' in plugin BkShop v3.3
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[purpur-api-1.18.1-R0.1-SNAPSHOT.jar:?]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:172) ~[purpur-api-1.18.1-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_18_R1.CraftServer.dispatchCommand(CraftServer.java:897) ~[purpur-1.18.1.jar:git-Purpur-1537]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleCommand(ServerGamePacketListenerImpl.java:2370) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleChat(ServerGamePacketListenerImpl.java:2181) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleChat(ServerGamePacketListenerImpl.java:2162) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundChatPacket.handle(ServerboundChatPacket.java:46) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundChatPacket.a(ServerboundChatPacket.java:6) ~[?:?]
at net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$1(PacketUtils.java:56) ~[?:?]
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[purpur-1.18.1.jar:git-Purpur-1537]
at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:149) ~[?:?]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:23) ~[?:?]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1440) ~[purpur-1.18.1.jar:git-Purpur-1537]
at net.minecraft.server.MinecraftServer.c(MinecraftServer.java:189) ~[purpur-1.18.1.jar:git-Purpur-1537]
at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:122) ~[?:?]
at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1418) ~[purpur-1.18.1.jar:git-Purpur-1537]
at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1411) ~[purpur-1.18.1.jar:git-Purpur-1537]
at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:132) ~[?:?]
at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1389) ~[purpur-1.18.1.jar:git-Purpur-1537]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1295) ~[purpur-1.18.1.jar:git-Purpur-1537]
at net.minecraft.server.MinecraftServer.lambda$spin$1(MinecraftServer.java:322) ~[purpur-1.18.1.jar:git-Purpur-1537]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.lang.NullPointerException: Cannot invoke "String.toLowerCase()" because the return value of "org.bukkit.OfflinePlayer.getName()" is null
at me.bkrmt.bkshop.a.f.b.a(HeadManager.java:40) ~[BkShop.jar:?]
at me.bkrmt.bkshop.a.b.c.b.a(HeadBuilder.java:48) ~[BkShop.jar:?]
at me.bkrmt.bkshop.a.b.b.a.a(GUI.java:127) ~[BkShop.jar:?]
at me.bkrmt.bkshop.a.b.b.c.a(GUIExtender.java:89) ~[BkShop.jar:?]
at me.bkrmt.bkshop.a.b.e.b.a(Page.java:328) ~[BkShop.jar:?]
at me.bkrmt.bkshop.a.b.e.b.a(Page.java:297) ~[BkShop.jar:?]
at me.bkrmt.bkshop.a.h.a(PagedList.java:129) ~[BkShop.jar:?]
at me.bkrmt.bkshop.a.h.a(PagedList.java:106) ~[BkShop.jar:?]
at me.bkrmt.bkshop.c.b.openShopsMenu(MenuManager.java:37) ~[BkShop.jar:?]
at me.bkrmt.bkshop.b.d.onCommand(ShopsCmd.java:27) ~[BkShop.jar:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[purpur-api-1.18.1-R0.1-SNAPSHOT.jar:?]
... 21 more

Nice plugin, works very well!!
I recomend it for every server, very useful for players!

Thxx <3

Nice! What a helpful plugin, its very easy to use. I das having some trouble, and that was quite useful, thx

[13:50:45 WARN]: [BkShop] Task #3314943 for BkShop v2.6.3 generated an exception
java.lang.NullPointerException: null
at me.bkrmt.bkshop.menus.ShopsMenu.setMenuItems(ShopsMenu.java:124) ~[?:?]
at me.bkrmt.bkshop.menus.ShopsMenu.loadMenu(ShopsMenu.java:61) ~[?:?]
at me.bkrmt.bkshop.menus.ShopsMenu.access$000(ShopsMenu.java:17) ~[?:?]
at me.bkrmt.bkshop.menus.ShopsMenu$1.run(ShopsMenu.java:36) ~[?:?]
at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:100) ~[patched_1.16.5.jar:git-Tuinity-"b12d0cc"]
at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:468) ~[patched_1.16.5.jar:git-Tuinity-"b12d0cc"]
at net.minecraft.server.v1_16_R3.MinecraftServer.b(MinecraftServer.java:1475) ~[patched_1.16.5.jar:git-Tuinity-"b12d0cc"]
at net.minecraft.server.v1_16_R3.DedicatedServer.b(DedicatedServer.java:419) ~[patched_1.16.5.jar:git-Tuinity-"b12d0cc"]
at net.minecraft.server.v1_16_R3.MinecraftServer.a(MinecraftServer.java:1388) ~[patched_1.16.5.jar:git-Tuinity-"b12d0cc"]
at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1120) ~[patched_1.16.5.jar:git-Tuinity-"b12d0cc"]
at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:290) ~[patched_1.16.5.jar:git-Tuinity-"b12d0cc"]
at java.lang.Thread.run(Thread.java:834) [?:?]

This is a nice plugin, dude! All your plugins are wonderful and help a lot in the development of my server! Thanks!