---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 5/2/18 8:12 PM
Description: Exception in server tick loop

java.lang.IllegalArgumentException: MALFORMED
	at java.util.zip.ZipCoder.toString(Unknown Source)
	at java.util.zip.ZipFile.getZipEntry(Unknown Source)
	at java.util.zip.ZipFile.access$900(Unknown Source)
	at java.util.zip.ZipFile$ZipEntryIterator.next(Unknown Source)
	at java.util.zip.ZipFile$ZipEntryIterator.nextElement(Unknown Source)
	at java.util.zip.ZipFile$ZipEntryIterator.nextElement(Unknown Source)
	at tn.a(SourceFile:73)
	at ul.a(SourceFile:37)
	at ul.a(SourceFile:100)
	at net.minecraft.server.MinecraftServer.a(SourceFile:1370)
	at net.minecraft.server.MinecraftServer.a(SourceFile:362)
	at dbc.a(SourceFile:82)
	at dbc.d(SourceFile:132)
	at net.minecraft.server.MinecraftServer.run(SourceFile:504)
	at java.lang.Thread.run(Unknown Source)


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

-- System Details --
Details:
	Minecraft Version: 18w16a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_172, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 432119672 bytes (412 MB) / 532676608 bytes (508 MB) up to 1908932608 bytes (1820 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms512m -Xmx2048m
	Profiler Position: N/A (disabled)
	Player Count: 0 / 8; []
	Data Packs: vanilla, file/External Runes.zip (incompatible)
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.