Describe the bug
The server crashed

To Reproduce
I do not know

Expected behavior
12:52:03 ERROR]: Cause of unexpected exception was
java.lang.ClassCastException: class jdk.proxy11.$Proxy174 cannot be cast to class org.bukkit.craftbukkit.v1_19_R1.entity.CraftHumanEntity (jdk.proxy11.$Proxy174 is in module jdk.proxy11 of loader 'BackpacksRemastered-2022.1.7.jar' @359e91c7; org.bukkit.craftbukkit.v1_19_R1.entity.CraftHumanEntity is in unnamed module of loader java.net.URLClassLoader @66cd51c3)
at net.minecraft.server.level.ServerLevel.unload(ServerLevel.java:1594) ~[?:?]
at io.papermc.paper.chunk.system.scheduling.NewChunkHolder.unloadStage2(NewChunkHolder.java:821) ~[purpur-1.19.2.jar:git-Purpur-1842]
at io.papermc.paper.chunk.system.scheduling.ChunkHolderManager.processUnloads(ChunkHolderManager.java:874) ~[purpur-1.19.2.jar:git-Purpur-1842]
at net.minecraft.server.level.ChunkTracker.processUnloads(ChunkTracker.java:630) ~[?:?]
at net.minecraft.server.level.ChunkTracker.tick(ChunkTracker.java:618) ~[?:?]
at net.minecraft.server.level.ServerChunkCache.tick(ServerChunkCache.java:657) ~[?:?]
at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:706) ~[?:?]
at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1564) ~[purpur-1.19.2.jar:git-Purpur-1842]
at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:486) ~[purpur-1.19.2.jar:git-Purpur-1842]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1424) ~[purpur-1.19.2.jar:git-Purpur-1842]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1194) ~[purpur-1.19.2.jar:git-Purpur-1842]
at net.minecraft.server.MinecraftServer.lambda$spin$1(MinecraftServer.java:310) ~[purpur-1.19.2.jar:git-Purpur-1842]
at java.lang.Thread.run(Thread.java:833) ~[?:?]

Screenshots
no screenshots

Version info
purpur 1.19.2 1840