27.04 21:46:11 [Server] INFO Cleaning up shops with 0 stock...
27.04 21:46:11 [Server] WARN Unexpected exception while parsing console command "qs clean"
27.04 21:46:11 [Server] INFO org.bukkit.command.CommandException: Unhandled exception executing command 'qs' in plugin QuickShop vReremake 1.4.2
27.04 21:46:11 [Server] INFO at org.bukkit.command.PluginCommand.execute(PluginCommand.java:48) ~[spigot.jar:git-Spigot-f09662d-be557e6]
27.04 21:46:11 [Server] INFO at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot.jar:git-Spigot-f09662d-be557e6]
27.04 21:46:11 [Server] INFO at org.bukkit.craftbukkit.v1_13_R2.CraftServer.dispatchCommand(CraftServer.java:704) ~[spigot.jar:git-Spigot-f09662d-be557e6]
27.04 21:46:11 [Server] INFO at org.bukkit.craftbukkit.v1_13_R2.CraftServer.dispatchServerCommand(CraftServer.java:689) [spigot.jar:git-Spigot-f09662d-be557e6]
27.04 21:46:11 [Server] INFO at net.minecraft.server.v1_13_R2.DedicatedServer.handleCommandQueue(DedicatedServer.java:459) [spigot.jar:git-Spigot-f09662d-be557e6]
27.04 21:46:11 [Server] INFO at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:418) [spigot.jar:git-Spigot-f09662d-be557e6]
27.04 21:46:11 [Server] INFO at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:831) [spigot.jar:git-Spigot-f09662d-be557e6]
27.04 21:46:11 [Server] INFO at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:729) [spigot.jar:git-Spigot-f09662d-be557e6]
27.04 21:46:11 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191-1-ojdkbuild]
27.04 21:46:11 [Server] INFO Caused by: java.lang.UnsupportedOperationException: remove
27.04 21:46:11 [Server] INFO at java.util.Iterator.remove(Iterator.java:93) ~[?:1.8.0_191-1-ojdkbuild]
27.04 21:46:11 [Server] INFO at org.maxgamer.quickshop.Command.QS.clean(QS.java:606) ~[?:?]
27.04 21:46:11 [Server] INFO at org.maxgamer.quickshop.Command.QS.onCommand(QS.java:716) ~[?:?]
27.04 21:46:11 [Server] INFO at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot.jar:git-Spigot-f09662d-be557e6]
27.04 21:46:11 [Server] INFO ... 8 more