I was playing my world and my minecraft crashed instantly

---- Minecraft Crash Report -------- Minecraft Crash Report ----// Hey, that tickles! Hehehe!
Time: 24/12/19 0:21Description: Exception ticking world
r: Non [a-z0-9/._-] character in path of location: minecraft:gc dummy block at sm.<init>(SourceFile:38) at sm.<init>(SourceFile:43) at bwi.c(SourceFile:75) at cai.a(SourceFile:753) at cai.a(SourceFile:403) at cai.c(SourceFile:394) at cai.A(SourceFile:735) at wp.a(SourceFile:640) at wp$$Lambda$3665/1465699739.apply(Unknown Source) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at com.mojang.datafixers.util.Either.flatMap(Either.java:191) at wp.b(SourceFile:638) at wp$$Lambda$3562/826421256.apply(Unknown Source) at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602) at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) at wr.b(SourceFile:58) at wr$$Lambda$3594/1388598467.run(Unknown Source) at aip.h(SourceFile:144) at aip.v(SourceFile:118) at xb$a.v(SourceFile:550) at xb.d(SourceFile:274) at net.minecraft.server.MinecraftServer.aZ(SourceFile:730) at net.minecraft.server.MinecraftServer.v(SourceFile:718) at aip.bj(SourceFile:103) at net.minecraft.server.MinecraftServer.u(SourceFile:702) at net.minecraft.server.MinecraftServer.run(SourceFile:658) 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 sm.<init>(SourceFile:38) at sm.<init>(SourceFile:43) at bwi.c(SourceFile:75) at cai.a(SourceFile:753) at cai.a(SourceFile:403) at cai.c(SourceFile:394) at cai.A(SourceFile:735) at wp.a(SourceFile:640) at wp$$Lambda$3665/1465699739.apply(Unknown Source) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at com.mojang.datafixers.util.Either.flatMap(Either.java:191) at wp.b(SourceFile:638) at wp$$Lambda$3562/826421256.apply(Unknown Source) at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602) at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) at wr.b(SourceFile:58) at wr$$Lambda$3594/1388598467.run(Unknown Source) at aip.h(SourceFile:144) at aip.v(SourceFile:118) at xb$a.v(SourceFile:550) at xb.d(SourceFile:274) at net.minecraft.server.MinecraftServer.aZ(SourceFile:730)
– Affected level --Details: All players: 1 total; [xe['ManuFlosoYT'/29279, l='Mundo ciudad', x=2632.85, y=99.41, z=-329.56]] Chunk stats: ServerChunkCache: 3346 Level dimension: minecraft:overworld Level name: Mundo ciudad Level seed: -281283398565624723 Level generator: ID 01 - flat, ver 0. Features enabled: false Level generator options: {biome:"minecraft:mountains",layers:[

,{block:"minecraft:stone",height:80},{block:"minecraft:dirt",height:5},{block:"minecraft:grass_block",height:1}],structures:{biome_1:{},mineshaft:{},stronghold:{},decoration:{},dungeon:{}}} Level spawn location: World: (214,4,-355), Chunk: (at 6,0,13 in 13,-23; contains blocks 208,0,-368 to 223,255,-353), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1) Level time: 2348205 game time, 66168 day time Level storage version: 0x04ABD - Anvil Level weather: Rain time: 1 (now: false), thunder time: 1 (now: false) Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: trueStacktrace: at net.minecraft.server.MinecraftServer.b(SourceFile:850) at net.minecraft.server.MinecraftServer.a(SourceFile:786) at edj.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:654) at java.lang.Thread.run(Thread.java:745)
– System Details --Details: Minecraft Version: 1.15.1 Minecraft Version ID: 1.15.1 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: 8229839880 bytes (7848 MB) / 9563013120 bytes (9120 MB) up to 15032385536 bytes (14336 MB) CPUs: 12 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx14G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Player Count: 1 / 8; [xe['ManuFlosoYT'/29279, l='Mundo ciudad ', x=2632.85, y=99.41, z=-329.56]] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.