> [17:09:51 WARN]: java.io.IOException: Cannot allocate memory
> [17:09:51 WARN]: at java.io.FileOutputStream.writeBytes(Native Method)
> [17:09:51 WARN]: at java.io.FileOutputStream.write(FileOutputStream.java:326)
> [17:09:51 WARN]: at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221)
> [17:09:51 WARN]: at sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:282)
> [17:09:51 WARN]: at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:125)
> [17:09:51 WARN]: at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:135)
> [17:09:51 WARN]: at java.io.OutputStreamWriter.write(OutputStreamWriter.java:220)
> [17:09:51 WARN]: at java.io.Writer.write(Writer.java:157)
> [17:09:51 WARN]: at org.bukkit.configuration.file.FileConfiguration.save(FileConfiguration.java:73)
> [17:09:51 WARN]: at net.citizensnpcs.api.util.YamlStorage.save(YamlStorage.java:106)
> [17:09:51 WARN]: at net.citizensnpcs.api.npc.SimpleNPCDataStore$1.run(SimpleNPCDataStore.java:73)
> [17:09:52 INFO]: NightCat issued server command: /help
> [17:09:52 WARN]: Exception in thread "File IO Thread" java.lang.NoClassDefFoundError: org/spigotmc/SneakyThrow
> [17:09:52 WARN]: at net.minecraft.server.v1_12_R1.RegionFile.a(RegionFile.java:266)
> [17:09:52 WARN]: at net.minecraft.server.v1_12_R1.RegionFile$ChunkBuffer.close(RegionFile.java:481)
> [17:09:52 WARN]: at java.io.FilterOutputStream.close(FilterOutputStream.java:159)
> [17:09:52 WARN]: at net.minecraft.server.v1_12_R1.RegionFileCache.writeRegion(RegionFileCache.java:102)
> [17:09:52 WARN]: at net.minecraft.server.v1_12_R1.RegionFileCache.e(RegionFileCache.java:251)
> [17:09:52 WARN]: at net.minecraft.server.v1_12_R1.ChunkRegionLoader.b(ChunkRegionLoader.java:245)
> [17:09:52 WARN]: at net.minecraft.server.v1_12_R1.ChunkRegionLoader.processSaveQueueEntry(ChunkRegionLoader.java:223)
> [17:09:52 WARN]: at net.minecraft.server.v1_12_R1.ChunkRegionLoader.a(ChunkRegionLoader.java:194)
> [17:09:52 WARN]: at net.minecraft.server.v1_12_R1.FileIOThread.c(FileIOThread.java:35)
> [17:09:52 WARN]: at net.minecraft.server.v1_12_R1.FileIOThread.run(FileIOThread.java:28)
> [17:09:52 WARN]: at java.lang.Thread.run(Thread.java:748)
> [17:09:54 ERROR]: Couldn't save player advancements to ./world/advancements/91d46dbd-2b9a-3267-b363-c1d207661633.json
java.io.IOException: Cannot allocate memory
at java.io.FileOutputStream.writeBytes(Native Method) ~[?:1.8.0_262]
at java.io.FileOutputStream.write(FileOutputStream.java:326) ~[?:1.8.0_262]
at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221) ~[?:1.8.0_262]
at sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:282) ~[?:1.8.0_262]
at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:125) ~[?:1.8.0_262]
at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:135) ~[?:1.8.0_262]
at java.io.OutputStreamWriter.write(OutputStreamWriter.java:220) ~[?:1.8.0_262]
at java.io.Writer.write(Writer.java:157) ~[?:1.8.0_262]
at java.io.Writer.append(Writer.java:227) ~[?:1.8.0_262]
at com.google.common.io.CharSink.write(CharSink.java:96) ~[patched_1.12.2.jar:git-Paper-1618]
at com.google.common.io.Files.write(Files.java:317) ~[patched_1.12.2.jar:git-Paper-1618]
at net.minecraft.server.v1_12_R1.AdvancementDataPlayer.c(AdvancementDataPlayer.java:186) ~[patched_1.12.2.jar:git-Paper-1618]
at net.minecraft.server.v1_12_R1.PlayerList.savePlayerFile(PlayerList.java:356) ~[patched_1.12.2.jar:git-Paper-1618]
at net.minecraft.server.v1_12_R1.PlayerList.lambda$savePlayers$0(PlayerList.java:1294) ~[patched_1.12.2.jar:git-Paper-1618]
at net.minecraft.server.v1_12_R1.MCUtil.ensureMain(MCUtil.java:69) ~[patched_1.12.2.jar:git-Paper-1618]
at net.minecraft.server.v1_12_R1.PlayerList.savePlayers(PlayerList.java:1287) ~[patched_1.12.2.jar:git-Paper-1618]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:797) ~[patched_1.12.2.jar:git-Paper-1618]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1618]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_262]
> [17:09:54 ERROR]: Chunk file at 85,-220 is in the wrong location; relocating. (Expected 85, -220, got 0, -220)