//schematic save error

[PappoYT]

I select an area with wooden axe (left click, then right click).
Then I wrote //schematic save -f myschematicname.schematic
No file is saved and I get this error in console:

[10:11:25] [Server thread/INFO]: paladinodeimari issued server command: //schematic save -f castello-legorex.schematic
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] ***********************************
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] Error while processing async operation save
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] ***********************************
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] *
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * Exception: com.sk89q.worldedit.EmptyClipboardException
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * Error message: null
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * Stack: 
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * worldedit-bukkit-7.2.7.jar//com.sk89q.worldedit.LocalSession.getClipboard(LocalSession.java:445)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * org.primesoft.asyncworldedit.worldedit.WrappedLocalSession.getClipboard(WrappedLocalSession.java:309)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * worldedit-bukkit-7.2.7.jar//com.sk89q.worldedit.command.SchematicCommands.__06ff58366b7145bd9eafc449d21fa45c__save(SchematicCommands.java:196)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * worldedit-bukkit-7.2.7.jar//com.sk89q.worldedit.command.SchematicCommands___06ff58366b7145bd9eafc449d21fa45c___InnerForMethod_save.execute(Unknown Source)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * AsyncWorldEdit-3.9.2.jar//org.primesoft.asyncworldedit.injector.core.visitors.Helpers$1.execute(Helpers.java:121)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * org.primesoft.asyncworldedit.asyncinjector.async.AsyncJobProcessor$1.doRun(AsyncJobProcessor.java:164)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * org.primesoft.asyncworldedit.worldedit.BaseTask.run(BaseTask.java:161)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * org.bukkit.craftbukkit.v1_17_R1.scheduler.CraftTask.run(CraftTask.java:101)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * org.bukkit.craftbukkit.v1_17_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:57)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] * java.base/java.lang.Thread.run(Thread.java:831)
[10:11:25] [Craft Scheduler Thread - 78 - AsyncWorldEdit/INFO]: [AsyncWorldEdit] ***********************************

This is my server log: https://mclo.gs/lZkJELw

Before upgrading to Paper 1.17.1 I was in AsyncWorldEdit free and I had no errors when saving schematics.

[SBPrime]

Sanity check: did you do //copy?