Mon minecraft plante a chaque parties

Bonjour,
j'ai un ploblème avec minecraft des que je rentre dans un monde voila :[14:57:12] [Client thread/INFO]: Setting user: oxalisa
[14:57:12] [Client thread/INFO]: (Session ID is token:1337535510N:1d056f253a443da180acd93bb1824ba1)
[14:57:17] [Client thread/INFO]: LWJGL Version: 2.9.4
[14:57:18] [Client thread/WARN]: Removed selected resource pack VanillaBDcraft 128x MC19.zip because it's no longer compatible
[14:57:18] [Client thread/INFO]: Reloading ResourceManager: Default
[14:57:19] [Sound Library Loader/INFO]: Starting up SoundSystem...
[14:57:19] [Thread-6/INFO]: Initializing LWJGL OpenAL
[14:57:19] [Thread-6/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[14:57:20] [Thread-6/INFO]: OpenAL initialized.
[14:57:20] [Sound Library Loader/INFO]: Sound engine started
[14:57:27] [Client thread/INFO]: Created: 512x512 textures-atlas
[14:57:58] [Server thread/INFO]: Starting integrated minecraft server version 1.8.8
[14:57:58] [Server thread/INFO]: Generating keypair
[14:57:59] [Server thread/INFO]: Preparing start region for level 0
[14:58:00] [Server thread/INFO]: Preparing spawn area: 5%
[14:58:01] [Server thread/INFO]: Preparing spawn area: 7%
[14:58:02] [Server thread/INFO]: Preparing spawn area: 9%
[14:58:03] [Server thread/INFO]: Preparing spawn area: 11%
[14:58:04] [Server thread/INFO]: Preparing spawn area: 13%
[14:58:05] [Server thread/INFO]: Preparing spawn area: 15%
[14:58:06] [Server thread/INFO]: Preparing spawn area: 17%
[14:58:07] [Server thread/INFO]: Preparing spawn area: 20%
[14:58:08] [Server thread/INFO]: Preparing spawn area: 22%
[14:58:09] [Server thread/INFO]: Preparing spawn area: 24%
[14:58:10] [Server thread/INFO]: Preparing spawn area: 26%
[14:58:11] [Server thread/INFO]: Preparing spawn area: 28%
[14:58:12] [Server thread/INFO]: Preparing spawn area: 30%
[14:58:13] [Server thread/INFO]: Preparing spawn area: 31%
[14:58:14] [Server thread/INFO]: Preparing spawn area: 33%
[14:58:15] [Server thread/INFO]: Preparing spawn area: 34%
[14:58:16] [Server thread/INFO]: Preparing spawn area: 36%
[14:58:17] [Server thread/INFO]: Preparing spawn area: 37%
[14:58:18] [Server thread/INFO]: Preparing spawn area: 39%
[14:58:19] [Server thread/INFO]: Preparing spawn area: 41%
[14:58:21] [Server thread/INFO]: Preparing spawn area: 42%
[14:58:22] [Server thread/INFO]: Preparing spawn area: 44%
[14:58:23] [Server thread/INFO]: Preparing spawn area: 45%
[14:58:24] [Server thread/INFO]: Preparing spawn area: 47%
[14:58:25] [Server thread/INFO]: Preparing spawn area: 48%
[14:58:26] [Server thread/INFO]: Preparing spawn area: 49%
[14:58:27] [Server thread/INFO]: Preparing spawn area: 50%
[14:58:28] [Server thread/INFO]: Preparing spawn area: 52%
[14:58:29] [Server thread/INFO]: Preparing spawn area: 53%
[14:58:30] [Server thread/INFO]: Preparing spawn area: 54%
[14:58:31] [Server thread/INFO]: Preparing spawn area: 56%
[14:58:32] [Server thread/INFO]: Preparing spawn area: 57%
[14:58:33] [Server thread/INFO]: Preparing spawn area: 59%
[14:58:34] [Server thread/INFO]: Preparing spawn area: 60%
[14:58:36] [Server thread/INFO]: Preparing spawn area: 61%
[14:58:37] [Server thread/INFO]: Preparing spawn area: 63%
[14:58:38] [Server thread/INFO]: Preparing spawn area: 65%
[14:58:39] [Server thread/INFO]: Preparing spawn area: 66%
[14:58:40] [Server thread/INFO]: Preparing spawn area: 68%
[14:58:41] [Server thread/INFO]: Preparing spawn area: 70%
[14:58:42] [Server thread/INFO]: Preparing spawn area: 72%
[14:58:43] [Server thread/INFO]: Preparing spawn area: 74%
[14:58:44] [Server thread/INFO]: Preparing spawn area: 76%
[14:58:45] [Server thread/INFO]: Preparing spawn area: 78%
[14:58:46] [Server thread/INFO]: Preparing spawn area: 79%
[14:58:47] [Server thread/INFO]: Preparing spawn area: 81%
[14:58:48] [Server thread/INFO]: Preparing spawn area: 83%
[14:58:49] [Server thread/INFO]: Preparing spawn area: 85%
[14:58:50] [Server thread/INFO]: Preparing spawn area: 87%
[14:58:51] [Server thread/INFO]: Preparing spawn area: 89%
[14:58:52] [Server thread/INFO]: Preparing spawn area: 90%
[14:58:53] [Server thread/INFO]: Preparing spawn area: 93%
[14:58:54] [Server thread/INFO]: Preparing spawn area: 94%
[14:58:55] [Server thread/INFO]: Preparing spawn area: 96%
[14:58:56] [Server thread/INFO]: Preparing spawn area: 98%
[14:58:57] [Server thread/INFO]: Changing view distance to 8, from 10
[14:58:58] [Server thread/INFO]: oxalisa[local:E:5a5eafb7] logged in with entity id 211 at (-243.5, 64.0, -5.5)
[14:58:58] [Server thread/INFO]: oxalisa a rejoint la partie
[14:59:23] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 24727ms behind, skipping 494 tick(s)
[14:57:12] [Client thread/INFO]: Setting user: oxalisa
[14:57:12] [Client thread/INFO]: (Session ID is token:1337535510N:1d056f253a443da180acd93bb1824ba1)
[14:57:17] [Client thread/INFO]: LWJGL Version: 2.9.4
[14:57:18] [Client thread/WARN]: Removed selected resource pack VanillaBDcraft 128x MC19.zip because it's no longer compatible
[14:57:18] [Client thread/INFO]: Reloading ResourceManager: Default
[14:57:19] [Sound Library Loader/INFO]: Starting up SoundSystem...
[14:57:19] [Thread-6/INFO]: Initializing LWJGL OpenAL
[14:57:19] [Thread-6/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[14:57:20] [Thread-6/INFO]: OpenAL initialized.
[14:57:20] [Sound Library Loader/INFO]: Sound engine started
[14:57:27] [Client thread/INFO]: Created: 512x512 textures-atlas
[14:57:58] [Server thread/INFO]: Starting integrated minecraft server version 1.8.8
[14:57:58] [Server thread/INFO]: Generating keypair
[14:57:59] [Server thread/INFO]: Preparing start region for level 0
[14:58:00] [Server thread/INFO]: Preparing spawn area: 5%
[14:58:01] [Server thread/INFO]: Preparing spawn area: 7%
[14:58:02] [Server thread/INFO]: Preparing spawn area: 9%
[14:58:03] [Server thread/INFO]: Preparing spawn area: 11%
[14:58:04] [Server thread/INFO]: Preparing spawn area: 13%
[14:58:05] [Server thread/INFO]: Preparing spawn area: 15%
[14:58:06] [Server thread/INFO]: Preparing spawn area: 17%
[14:58:07] [Server thread/INFO]: Preparing spawn area: 20%
[14:58:08] [Server thread/INFO]: Preparing spawn area: 22%
[14:58:09] [Server thread/INFO]: Preparing spawn area: 24%
[14:58:10] [Server thread/INFO]: Preparing spawn area: 26%
[14:58:11] [Server thread/INFO]: Preparing spawn area: 28%
[14:58:12] [Server thread/INFO]: Preparing spawn area: 30%
[14:58:13] [Server thread/INFO]: Preparing spawn area: 31%
[14:58:14] [Server thread/INFO]: Preparing spawn area: 33%
[14:58:15] [Server thread/INFO]: Preparing spawn area: 34%
[14:58:16] [Server thread/INFO]: Preparing spawn area: 36%
[14:58:17] [Server thread/INFO]: Preparing spawn area: 37%
[14:58:18] [Server thread/INFO]: Preparing spawn area: 39%
[14:58:19] [Server thread/INFO]: Preparing spawn area: 41%
[14:58:21] [Server thread/INFO]: Preparing spawn area: 42%
[14:58:22] [Server thread/INFO]: Preparing spawn area: 44%
[14:58:23] [Server thread/INFO]: Preparing spawn area: 45%
[14:58:24] [Server thread/INFO]: Preparing spawn area: 47%
[14:58:25] [Server thread/INFO]: Preparing spawn area: 48%
[14:58:26] [Server thread/INFO]: Preparing spawn area: 49%
[14:58:27] [Server thread/INFO]: Preparing spawn area: 50%
[14:58:28] [Server thread/INFO]: Preparing spawn area: 52%
[14:58:29] [Server thread/INFO]: Preparing spawn area: 53%
[14:58:30] [Server thread/INFO]: Preparing spawn area: 54%
[14:58:31] [Server thread/INFO]: Preparing spawn area: 56%
[14:58:32] [Server thread/INFO]: Preparing spawn area: 57%
[14:58:33] [Server thread/INFO]: Preparing spawn area: 59%
[14:58:34] [Server thread/INFO]: Preparing spawn area: 60%
[14:58:36] [Server thread/INFO]: Preparing spawn area: 61%
[14:58:37] [Server thread/INFO]: Preparing spawn area: 63%
[14:58:38] [Server thread/INFO]: Preparing spawn area: 65%
[14:58:39] [Server thread/INFO]: Preparing spawn area: 66%
[14:58:40] [Server thread/INFO]: Preparing spawn area: 68%
[14:58:41] [Server thread/INFO]: Preparing spawn area: 70%
[14:58:42] [Server thread/INFO]: Preparing spawn area: 72%
[14:58:43] [Server thread/INFO]: Preparing spawn area: 74%
[14:58:44] [Server thread/INFO]: Preparing spawn area: 76%
[14:58:45] [Server thread/INFO]: Preparing spawn area: 78%
[14:58:46] [Server thread/INFO]: Preparing spawn area: 79%
[14:58:47] [Server thread/INFO]: Preparing spawn area: 81%
[14:58:48] [Server thread/INFO]: Preparing spawn area: 83%
[14:58:49] [Server thread/INFO]: Preparing spawn area: 85%
[14:58:50] [Server thread/INFO]: Preparing spawn area: 87%
[14:58:51] [Server thread/INFO]: Preparing spawn area: 89%
[14:58:52] [Server thread/INFO]: Preparing spawn area: 90%
[14:58:53] [Server thread/INFO]: Preparing spawn area: 93%
[14:58:54] [Server thread/INFO]: Preparing spawn area: 94%
[14:58:55] [Server thread/INFO]: Preparing spawn area: 96%
[14:58:56] [Server thread/INFO]: Preparing spawn area: 98%
[14:58:57] [Server thread/INFO]: Changing view distance to 8, from 10
[14:58:58] [Server thread/INFO]: oxalisa[local:E:5a5eafb7] logged in with entity id 211 at (-243.5, 64.0, -5.5)
[14:58:58] [Server thread/INFO]: oxalisa a rejoint la partie
[14:59:23] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 24727ms behind, skipping 494 tick(s)