C:\Users\김신중\Desktop\MBK16ver>java -Xmx1024M -Xms1024M -jar paper-1.16.5-778.jar

System Info: Java 16 (Java HotSpot(TM) 64-Bit Server VM 16.0.1+9-24) Host: Windows 10 10.0 (amd64)

Loading libraries, please wait...

[19:59:30 INFO]: Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', servicesHost='https://api.minecraftservices.com', name='PROD'

[19:59:31 INFO]: Reloading ResourceManager: Default, bukkit

[19:59:31 INFO]: Loaded 7 recipes

[19:59:32 INFO]: Starting minecraft server version 1.16.5

[19:59:32 INFO]: Loading properties

[19:59:32 INFO]: This server is running Paper version git-Paper-778 (MC: 1.16.5) (Implementing API version 1.16.5-R0.1-SNAPSHOT)

[19:59:33 INFO]: Debug logging is disabled

[19:59:33 INFO]: Using 4 threads for Netty based IO

[19:59:33 INFO]: Server Ping Player Sample Count: 12

[19:59:33 INFO]: Default game type: SURVIVAL

[19:59:33 INFO]: Generating keypair

[19:59:33 INFO]: Starting Minecraft server on 25.71.64.189:25565

[19:59:33 INFO]: Using default channel type

[19:59:33 INFO]: [SkinsRestorer] Loading SkinsRestorer v14.1.0

[19:59:33 INFO]: [OpenInv] Loading OpenInv v4.1.8

[19:59:33 INFO]: [Essentials] Loading Essentials v2.19.0-dev+166-d4e194f

[19:59:33 INFO]: Server permissions file permissions.yml is empty, ignoring it

[19:59:33 WARN]: **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!

[19:59:33 WARN]: The server will make no attempt to authenticate usernames. Beware.

[19:59:33 WARN]: While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.

[19:59:33 WARN]: To change this, set "online-mode" to "true" in the server.properties file.

[19:59:33 INFO]: Preparing level "world"

[19:59:34 INFO]: Preparing start region for dimension minecraft:overworld

[19:59:34 WARN]: java.lang.RuntimeException: Server attempted to load chunk saved with newer version of minecraft! 2724 > 2586

[19:59:34 WARN]:        at net.minecraft.server.v1_16_R3.ChunkRegionLoader.loadChunk(ChunkRegionLoader.java:111)

이렇게 나오는데 뭐가 문제인가요?