---- Minecraft Crash Report ----
// I feel sad now :(

Time: 11/22/17 10:07 AM
Description: Exception in server tick loop

java.lang.IllegalArgumentException: Non [a-z0-9/._-] character in path
	at mp.<init>(SourceFile:31)
	at mp.<init>(SourceFile:44)
	at rf.a(SourceFile:112)
	at rf.a(SourceFile:97)
	at rx.a(SourceFile:137)
	at sc.a(SourceFile:84)
	at bjl.a(SourceFile:52)
	at sc.a(SourceFile:126)
	at bjl.<init>(SourceFile:41)
	at ql.b(SourceFile:161)
	at cku.a(SourceFile:96)
	at cku.d(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:459)
	at java.lang.Thread.run(Thread.java:745)


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
	Minecraft Version: 17w47a
	Operating System: Mac OS X (x86_64) version 10.12.6
	Java Version: 1.8.0_74, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 174519592 bytes (166 MB) / 268435456 bytes (256 MB) up to 2147483648 bytes (2048 MB)
	JVM Flags: 7 total; -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Player Count: 0 / 8; []
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.