[20:42:26 ERROR]: An unexpected error while handling a WorldEdit command
java.lang.RuntimeException: java.io.IOException: The requested operation cannot be performed on a file with a user-mapped section open
	at com.boydti.fawe.object.clipboard.DiskOptimizedClipboard.<init>(DiskOptimizedClipboard.java:113) ~[?:?]
	at com.boydti.fawe.object.clipboard.DiskOptimizedClipboard.<init>(DiskOptimizedClipboard.java:70) ~[?:?]
	at com.sk89q.worldedit.extent.clipboard.Clipboard.create(Clipboard.java:81) ~[?:?]
	at com.sk89q.worldedit.extent.clipboard.BlockArrayClipboard.<init>(BlockArrayClipboard.java:79) ~[?:?]
	at com.sk89q.worldedit.command.ClipboardCommands.copy(ClipboardCommands.java:134) ~[?:?]
	at com.sk89q.worldedit.command.ClipboardCommandsRegistration.cmd$_copy(ClipboardCommandsRegistration.java:273) ~[?:?]
	at org.enginehub.piston.CommandManager.execute(CommandManager.java:157) ~[?:?]
	at com.sk89q.worldedit.extension.platform.PlatformCommandManager.lambda$handleCommandOnCurrentThread$15(PlatformCommandManager.java:682) ~[?:?]
	at com.sk89q.worldedit.extension.platform.PlatformCommandManager.handleCommandTask(PlatformCommandManager.java:698) ~[?:?]
	at com.sk89q.worldedit.extension.platform.PlatformCommandManager.handleCommandOnCurrentThread(PlatformCommandManager.java:684) ~[?:?]
	at com.sk89q.worldedit.extension.platform.PlatformCommandManager.lambda$handleCommand$13(PlatformCommandManager.java:654) ~[?:?]
	at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftTask.run(CraftTask.java:81) [spigot.jar:git-Spigot-800b93f-8160e29]
	at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) [spigot.jar:git-Spigot-800b93f-8160e29]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_261]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_261]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_261]
Caused by: java.io.IOException: The requested operation cannot be performed on a file with a user-mapped section open
	at java.io.RandomAccessFile.setLength(Native Method) ~[?:1.8.0_261]
	at com.boydti.fawe.object.clipboard.DiskOptimizedClipboard.<init>(DiskOptimizedClipboard.java:104) ~[?:?]
	... 15 more