MC Plugin Issue

gistfile1.txt

[23:19:34 INFO]: terdbird issued server command: //paste
[23:19:34 ERROR]: [WorldEdit] An unexpected error occurred while handling a FAWE command
java.lang.UnsupportedOperationException: null
        at java.util.AbstractCollection.add(AbstractCollection.java:262) ~[?:1.8.0_181]
        at com.boydti.fawe.object.FaweQueue.addEditSession(FaweQueue.java:138) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.sk89q.worldedit.EditSession.<init>(EditSession.java:261) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.boydti.fawe.util.EditSessionBuilder.build(EditSessionBuilder.java:194) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.sk89q.worldedit.LocalSession.createEditSession(LocalSession.java:1282) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.sk89q.worldedit.internal.command.WorldEditBinding.getEditSession(WorldEditBinding.java:109) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_181]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_181]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_181]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_181]
        at com.sk89q.worldedit.util.command.parametric.BindingHelper.bind(BindingHelper.java:170) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.sk89q.worldedit.util.command.parametric.ParametricCallable.call(ParametricCallable.java:241) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.sk89q.worldedit.util.command.SimpleDispatcher.call(SimpleDispatcher.java:133) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.sk89q.worldedit.extension.platform.CommandManager$2.get(CommandManager.java:414) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.sk89q.worldedit.extension.platform.CommandManager.handleCommandTask(CommandManager.java:437) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.sk89q.worldedit.extension.platform.CommandManager.handleCommandOnCurrentThread(CommandManager.java:418) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.sk89q.worldedit.extension.platform.CommandManager$3$1.run(CommandManager.java:536) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.boydti.fawe.object.FawePlayer.lambda$runAction$3(FawePlayer.java:328) ~[FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.boydti.fawe.object.task.SimpleAsyncNotifyQueue.operate(SimpleAsyncNotifyQueue.java:25) [FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at com.boydti.fawe.object.task.AsyncNotifyQueue$1.run(AsyncNotifyQueue.java:15) [FastAsyncWorldEdit-bukkit-1.13.135.jar:?]
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftTask.run(CraftTask.java:81) [spigot-1.13.2.jar:git-Spigot-518206a-a5b9c7b]
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52) [spigot-1.13.2.jar:git-Spigot-518206a-a5b9c7b]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_181]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_181]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]