When in single player debug mode were it shows all the blocks if you stand on a gold plate it will spawn thousands of gold plates. It Will Lag A Lot Watch Out!
I get this error..

[16:41:08] [Client thread/INFO]: Setting user: NathanLikesGirls
[16:41:08] [Client thread/INFO]: (Session ID is token:86e12b5714e6465487c7c8ec398769cb:57224f6a77d346b5af04b65bc8bd69a3)
[16:41:16] [Client thread/INFO]: LWJGL Version: 2.9.1
[16:41:17] [Client thread/INFO]: Reloading ResourceManager: Default, MyPack
[16:41:18] [Client thread/WARN]: File minecraft:sounds/mob/ghast/fireball.ogg does not exist, cannot add it to event minecraft:item.fireCharge.use
[16:41:18] [Sound Library Loader/INFO]: Starting up SoundSystem...
[16:41:19] [Thread-6/INFO]: Initializing LWJGL OpenAL
[16:41:19] [Thread-6/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
AL lib: (EE) MMDevApiOpenPlayback: Device init failed: 0x80004005
AL lib: (EE) MMDevApiOpenPlayback: Device init failed: 0x80004005
[16:41:19] [Thread-6/ERROR]: Error in class 'LibraryLWJGLOpenAL'
[16:41:19] [Thread-6/ERROR]: Unable to initialize OpenAL. Probable cause: OpenAL not supported.
[16:41:19] [Thread-6/WARN]: ERROR MESSAGE:
[16:41:19] [Thread-6/INFO]: Could not locate OpenAL library.
[16:41:19] [Thread-6/WARN]: STACK TRACE:
[16:41:19] [Thread-6/INFO]: org.lwjgl.openal.AL.create(AL.java:151)
[16:41:19] [Thread-6/INFO]: org.lwjgl.openal.AL.create(AL.java:102)
[16:41:19] [Thread-6/INFO]: org.lwjgl.openal.AL.create(AL.java:201)
[16:41:19] [Thread-6/INFO]: paulscode.sound.libraries.LibraryLWJGLOpenAL.init(LibraryLWJGLOpenAL.java:164)
[16:41:19] [Thread-6/INFO]: paulscode.sound.SoundSystem.CommandNewLibrary(SoundSystem.java:1576)
[16:41:19] [Thread-6/INFO]: paulscode.sound.SoundSystem.CommandQueue(SoundSystem.java:2572)
[16:41:19] [Thread-6/INFO]: paulscode.sound.CommandThread.run(CommandThread.java:121)
[16:41:19] [Sound Library Loader/WARN]: ERROR MESSAGE:
[16:41:19] [Sound Library Loader/INFO]: Could not locate OpenAL library.
[16:41:19] [Sound Library Loader/INFO]: Starting up SoundSystem...
[16:41:20] [Thread-8/INFO]: Switching to No Sound
[16:41:20] [Thread-8/INFO]: (Silent Mode)
[16:41:20] [Sound Library Loader/INFO]: Sound engine started
[16:41:35] [Client thread/INFO]: Created: 2048x2048 textures-atlas
[16:42:03] [Client thread/INFO]: Connecting to play.cubecraftgames.net, 25565
[16:42:08] [Client thread/INFO]: [CHAT]
[16:42:09] [Client thread/INFO]: [CHAT] Players have automatically been disabled due to high player traffic, click the eye to re-enable players!
[16:42:33] [Client thread/INFO]: [CHAT]
[16:42:37] [Client thread/INFO]: [CHAT] ||Stone||rafael_pvp: kits
[16:42:38] [Client thread/ERROR]: Item entity 532931 has no item?!
[16:42:38] [Client thread/ERROR]: Item entity 532931 has no item?!
[16:42:38] [Client thread/ERROR]: Item entity 532931 has no item?!
[16:42:38] [Client thread/ERROR]: Item entity 532931 has no item?!
[16:42:38] [Client thread/ERROR]: Item entity 532931 has no item?!
[16:42:38] [Client thread/ERROR]: Item entity 532931 has no item?!
[16:42:39] [Client thread/ERROR]: Item entity 532931 has no item?!
[16:42:40] [Client thread/ERROR]: Item entity 532956 has no item?!
[16:42:43] [Client thread/INFO]: [CHAT] [KitPVP] Removing all items on the ground!
[16:42:57] [Client thread/ERROR]: Item entity 533104 has no item?!
[16:42:57] [Client thread/ERROR]: Item entity 533104 has no item?!
[16:43:10] [Client thread/INFO]: [CHAT] ||Stone||Nate_Dawg_007: i dont get that parkour
[16:43:29] [Client thread/INFO]: Connecting to us.mineplex.com, 25565
[16:49:18] [Server thread/INFO]: Starting integrated minecraft server version 1.8
[16:49:18] [Server thread/INFO]: Generating keypair
[16:49:19] [Server thread/INFO]: Converting map!
[16:49:19] [Server thread/INFO]: Scanning folders...
[16:49:19] [Server thread/INFO]: Total conversion count is 0
[16:49:19] [Server thread/INFO]: Preparing start region for level 0
[16:49:20] [Server thread/INFO]: Preparing spawn area: 13%
[16:49:21] [Server thread/INFO]: Preparing spawn area: 48%
[16:49:22] [Server thread/INFO]: Preparing spawn area: 70%
[16:49:23] [Server thread/INFO]: Preparing spawn area: 94%
[16:49:23] [Server thread/INFO]: Changing view distance to 8, from 10
[16:49:23] [Server thread/INFO]: NathanLikesGirls[local:E:e0cf0313] logged in with entity id 1391 at (-8.5, 61.0, 9.5)
[16:49:23] [Server thread/INFO]: NathanLikesGirls joined the game
[16:49:40] [Server thread/INFO]: [NathanLikesGirls: Set own game mode to Creative Mode]
[16:49:40] [Client thread/INFO]: [CHAT] Your game mode has been updated
[16:50:35] [Client thread/ERROR]: Item entity 1800 has no item?!
[16:50:35] [Client thread/ERROR]: Item entity 1800 has no item?!
[16:51:43] [Client thread/ERROR]: Item entity 16916 has no item?!
[16:51:43] [Client thread/ERROR]: Item entity 16916 has no item?!
[16:51:45] [Client thread/ERROR]: Item entity 17235 has no item?!
[16:51:45] [Client thread/ERROR]: Item entity 17235 has no item?!
[16:52:31] [Client thread/ERROR]: Item entity 23060 has no item?!
[16:52:31] [Client thread/ERROR]: Item entity 23060 has no item?!