Minecraft version: 1.12.2
Forge version: 14.23.5.2860
LetMeDespawn version: 1.0.2

No crash butt I'm getting the following error in my console - not sure if it's actually affecting performance or not.

[17:02:22] [Client thread/ERROR] [FML]: The mcmod.info file in letmedespawn-1.12.2-forge-1.0.2.jar cannot be parsed as valid JSON. It will be ignored
com.google.gson.JsonSyntaxException: com.google.gson.stream.MalformedJsonException: Unterminated object at line 10 column 22 path $[0].authorList
at com.google.gson.internal.Streams.parse(Streams.java:60) ~[Streams.class:?]
at com.google.gson.JsonParser.parse(JsonParser.java:84) ~[JsonParser.class:?]
at com.google.gson.JsonParser.parse(JsonParser.java:59) ~[JsonParser.class:?]
at net.minecraftforge.fml.common.MetadataCollection.from(MetadataCollection.java:63) [MetadataCollection.class:?]
at net.minecraftforge.fml.common.discovery.JarDiscoverer.discover(JarDiscoverer.java:65) [JarDiscoverer.class:?]
at net.minecraftforge.fml.common.discovery.ContainerType.findMods(ContainerType.java:47) [ContainerType.class:?]
at net.minecraftforge.fml.common.discovery.ModCandidate.explore(ModCandidate.java:74) [ModCandidate.class:?]
at net.minecraftforge.fml.common.discovery.ModDiscoverer.identifyMods(ModDiscoverer.java:93) [ModDiscoverer.class:?]
at net.minecraftforge.fml.common.Loader.identifyMods(Loader.java:427) [Loader.class:?]
at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:568) [Loader.class:?]
at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:232) [FMLClientHandler.class:?]
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:467) [bib.class:?]
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378) [bib.class:?]
at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
Caused by: com.google.gson.stream.MalformedJsonException: Unterminated object at line 10 column 22 path $[0].authorList
at com.google.gson.stream.JsonReader.syntaxError(JsonReader.java:1559) ~[JsonReader.class:?]
at com.google.gson.stream.JsonReader.doPeek(JsonReader.java:491) ~[JsonReader.class:?]
at com.google.gson.stream.JsonReader.hasNext(JsonReader.java:414) ~[JsonReader.class:?]
at com.google.gson.internal.bind.TypeAdapters$29.read(TypeAdapters.java:738) ~[TypeAdapters$29.class:?]
at com.google.gson.internal.bind.TypeAdapters$29.read(TypeAdapters.java:731) ~[TypeAdapters$29.class:?]
at com.google.gson.internal.bind.TypeAdapters$29.read(TypeAdapters.java:714) ~[TypeAdapters$29.class:?]
at com.google.gson.internal.Streams.parse(Streams.java:48) ~[Streams.class:?]
... 19 more
[17:02:22] [Client thread/INFO] [FML]: Mod letmedespawn is missing the required element 'name'. Substituting letmedespawn
[17:02:22] [Client thread/WARN] [FML]: Mod letmedespawn is missing the required element 'version' and no fallback can be found. Substituting '1.0'.