world from version 1.10 is not opening on 1.13: Crash "character in path of location: minecraft:EntityHorse"

Tried to optimize the world several times - didn't help. Fresh java 32 and 64 both are installed on pc. Pure vanilla, no mods.

---- Minecraft Crash Report ----
// There are four lights!

Time: 20.07.18 17:48
Description: Ticking memory connection

i: Non [a-z0-9/._-] character in path of location: minecraft:EntityHorse
 at pc.<init>(SourceFile:38)
 at pc.<init>(SourceFile:43)
 at wn.a(SourceFile:121)
 at wn.a(SourceFile:100)
 at wn.<init>(SourceFile:48)
 at vo.a(SourceFile:915)
 at te.<init>(SourceFile:159)
 at vo.g(SourceFile:442)
 at ud.b(SourceFile:113)
 at ud.Y_(SourceFile:65)
 at hw.a(SourceFile:238)
 at ua.c(SourceFile:171)
 at net.minecraft.server.MinecraftServer.w(SourceFile:749)
 at net.minecraft.server.MinecraftServer.v(SourceFile:656)
 at dfx.v(SourceFile:157)
 at net.minecraft.server.MinecraftServer.run(SourceFile:559)
 at java.lang.Thread.run(Unknown Source)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Server thread
Stacktrace:
 at pc.<init>(SourceFile:38)
 at pc.<init>(SourceFile:43)
 at wn.a(SourceFile:121)
 at wn.a(SourceFile:100)
 at wn.<init>(SourceFile:48)
 at vo.a(SourceFile:915)
 at te.<init>(SourceFile:159)
 at vo.g(SourceFile:442)
 at ud.b(SourceFile:113)
 at ud.Y_(SourceFile:65)
 at hw.a(SourceFile:238)

-- Ticking connection --
Details:
 Connection: hw@196038a2
Stacktrace:
 at ua.c(SourceFile:171)
 at net.minecraft.server.MinecraftServer.w(SourceFile:749)
 at net.minecraft.server.MinecraftServer.v(SourceFile:656)
 at dfx.v(SourceFile:157)
 at net.minecraft.server.MinecraftServer.run(SourceFile:559)
 at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
 Minecraft Version: 1.13
 Operating System: Windows 10 (amd64) version 10.0
 Java Version: 1.8.0_181, Oracle Corporation
 Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
 Memory: 69152248 bytes (65 MB) / 392454144 bytes (374 MB) up to 10457710592 bytes (9973 MB)
 JVM Flags: 5 total; -Xmn128M -Xmx9986M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -XX:+UseConcMarkSweepGC
 Profiler Position: N/A (disabled)
 Player Count: 0 / 8; []
 Data Packs: vanilla
 Type: Integrated Server (map_client.txt)
 Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.