When I type this command :
/particle blockcrack_1_0 ~ ~ ~ 1 1 1 1

I get an error in the console (no crash):

[17:59:00 INFO]: Client> [17:59:00] [Server thread/ERROR]: Couldn't process command: 'particle blockcrack_1_0 ~ ~ ~ 1 1 1 1'
[17:59:00 INFO]: Client> java.lang.ArrayIndexOutOfBoundsException: 1
[17:59:00 INFO]: Client> at ca.b(SourceFile:85) ~[14w28a.jar:?]
[17:59:00 INFO]: Client> at ab.a(SourceFile:79) [14w28a.jar:?]
[17:59:00 INFO]: Client> at ab.a(SourceFile:62) [14w28a.jar:?]
[17:59:00 INFO]: Client> at qw.d(SourceFile:613) [14w28a.jar:?]
[17:59:00 INFO]: Client> at qw.a(SourceFile:600) [14w28a.jar:?]
[17:59:00 INFO]: Client> at ln.a(SourceFile:37) [14w28a.jar:?]
[17:59:00 INFO]: Client> at ln.a(SourceFile:9) [14w28a.jar:?]
[17:59:00 INFO]: Client> at ic.run(SourceFile:13) [14w28a.jar:?]
[17:59:00 INFO]: Client> at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0]
[17:59:00 INFO]: Client> at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0]
[17:59:00 INFO]: Client> at net.minecraft.server.MinecraftServer.x(SourceFile:555) [14w28a.jar:?]
[17:59:00 INFO]: Client> at net.minecraft.server.MinecraftServer.w(SourceFile:510) [14w28a.jar:?]
[17:59:00 INFO]: Client> at cwg.w(SourceFile:132) [14w28a.jar:?]
[17:59:00 INFO]: Client> at net.minecraft.server.MinecraftServer.run(SourceFile:426) [14w28a.jar:?]
[17:59:00 INFO]: Client> at java.lang.Thread.run(Unknown Source) [?:1.8.0]
[17:59:00 INFO]: Client> [17:59:00] [Client thread/INFO]: [CHAT] An unknown error occurred while attempting to perform this command