Server Crash

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

Time: 5/23/15 3:35 PM
Description: Exception in server tick loop

com.google.gson.JsonSyntaxException: com.google.gson.stream.MalformedJsonException: Use JsonReader.setLenient(true) to accept malformed JSON at line 2 column 2
	at com.google.gson.Gson.assertFullConsumption(Gson.java:779)
	at com.google.gson.Gson.fromJson(Gson.java:769)
	at mc.g(SourceFile:125)
	at ko.z(SourceFile:99)
	at ko.<init>(SourceFile:25)
	at kp.i(SourceFile:172)
	at net.minecraft.server.MinecraftServer.run(SourceFile:419)
	at java.lang.Thread.run(Unknown Source)
Caused by: com.google.gson.stream.MalformedJsonException: Use JsonReader.setLenient(true) to accept malformed JSON at line 2 column 2
	at com.google.gson.stream.JsonReader.syntaxError(JsonReader.java:1505)
	at com.google.gson.stream.JsonReader.checkLenient(JsonReader.java:1386)
	at com.google.gson.stream.JsonReader.doPeek(JsonReader.java:531)
	at com.google.gson.stream.JsonReader.peek(JsonReader.java:414)
	at com.google.gson.Gson.assertFullConsumption(Gson.java:775)
	... 7 more


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: 1.8.3
	Operating System: Windows 7 (amd64) version 6.1
	CPU: 8x Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
	Java Version: 1.8.0_40, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 946168624 bytes (902 MB) / 1029177344 bytes (981 MB) up to 1029177344 bytes (981 MB)
	JVM Flags: 2 total; -Xms1024M -Xmx1024M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)