and this issue's crash report below:

---- Minecraft Crash Report -------- Minecraft Crash Report ----// Daisy, daisy...
Time: 20. 7. 9 오전 12:34Description: Ticking entity
java.lang.NullPointerException: Ticking entity at bdf.b(SourceFile:100) at bdg.b(SourceFile:362) at bdg.N(SourceFile:349) at apb.dQ(SourceFile:741) at apa.k(SourceFile:2506) at apb.k(SourceFile:539) at bce.k(SourceFile:43) at apa.j(SourceFile:2252) at apb.j(SourceFile:339) at zb.a(SourceFile:617) at zb$$Lambda$4167/1302022617.accept(Unknown Source) at bqk.a(SourceFile:603) at zb.a(SourceFile:407) at net.minecraft.server.MinecraftServer.b(SourceFile:873) at net.minecraft.server.MinecraftServer.a(SourceFile:813) at eph.a(SourceFile:92) at net.minecraft.server.MinecraftServer.v(SourceFile:672) at net.minecraft.server.MinecraftServer.a(SourceFile:256) at net.minecraft.server.MinecraftServer$$Lambda$3908/1329660057.run(Unknown Source) at java.lang.Thread.run(Thread.java:745)

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
– Head --Thread: Server threadStacktrace: at bdf.b(SourceFile:100) at bdg.b(SourceFile:362) at bdg.N(SourceFile:349) at apb.dQ(SourceFile:741) at apa.k(SourceFile:2506) at apb.k(SourceFile:539) at bce.k(SourceFile:43) at apa.j(SourceFile:2252) at apb.j(SourceFile:339) at zb.a(SourceFile:617) at zb$$Lambda$4167/1302022617.accept(Unknown Source)
– Entity being ticked --Details: Entity Type: minecraft:piglin (bdg) Entity ID: 747 Entity Name: 피글린 Entity's Exact location: -809.04, 66.00, -370.71 Entity's Block location: World: (-810,66,-371), Chunk: (at 6,4,13 in -51,-24; contains blocks -816,0,-384 to -801,255,-369), Region: (-2,-1; contains chunks -64,-32 to -33,-1, blocks -1024,0,-512 to -513,255,-1) Entity's Momentum: 0.00, -0.08, 0.00 Entity's Passengers: [] Entity's Vehicle: ~_ERROR~ NullPointerException: nullStacktrace: at bqk.a(SourceFile:603) at zb.a(SourceFile:407)
– Affected level --Details: All players: 1 total; [zc['ImMily'/391, l='ServerLevel[새로운 세계]', x=-813.45, y=67.88, z=-367.13]] Chunk stats: ServerChunkCache: 3546 Level dimension: minecraft:overworld Level spawn location: World: (112,63,123), Chunk: (at 0,3,11 in 7,7; contains blocks 112,0,112 to 127,255,127), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Level time: 141735 game time, 141735 day time Level name: 새로운 세계 Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true Level weather: Rain time: 133180 (now: false), thunder time: 37639 (now: false) Known server brands: vanilla Level was modded: false Level storage version: 0x04ABD - AnvilStacktrace: at net.minecraft.server.MinecraftServer.b(SourceFile:873) at net.minecraft.server.MinecraftServer.a(SourceFile:813) at eph.a(SourceFile:92) at net.minecraft.server.MinecraftServer.v(SourceFile:672) at net.minecraft.server.MinecraftServer.a(SourceFile:256) at net.minecraft.server.MinecraftServer$$Lambda$3908/1329660057.run(Unknown Source) at java.lang.Thread.run(Thread.java:745)
– System Details --Details: Minecraft Version: 20w27a Minecraft Version ID: 20w27a Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 1803982144 bytes (1720 MB) / 4127195136 bytes (3936 MB) up to 4294967296 bytes (4096 MB) CPUs: 6 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Player Count: 1 / 8; [zc['ImMily'/391, l='ServerLevel[새로운 세계]', x=-813.45, y=67.88, z=-367.13]] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.