Somethings wrong here please help. :)

17:00:40
CONSOLE:
[INFO] /76.232.221.167:47043 lost connection
17:00:40
CONSOLE:
[INFO] /96.42.210.183:48270 lost connection
17:00:40
Server:
Saving world data. Expect lag for a short while.
17:00:40
CONSOLE:
[INFO] /98.245.49.190:62432 lost connection
17:00:40
CONSOLE:
[INFO] /98.219.54.31:50285 lost connection
17:00:40
CONSOLE:
[INFO] /158.255.213.54:33737 lost connection
17:00:40
CONSOLE:
[INFO] CONSOLE: Save complete.
17:00:40
CONSOLE:
[INFO] /69.141.17.151:54145 lost connection
17:00:40
CONSOLE:
[INFO] /99.242.229.172:60675 lost connection
17:00:40
CONSOLE:
[WARNING] Can't keep up! Did the system time change, or is the server overloaded?
17:00:40
CONSOLE:
[INFO] CONSOLE: Forcing save..
17:00:40
CONSOLE:
[INFO] /75.245.116.162:59327 lost connection
17:01:48
CONSOLE:
[INFO] Read timed out
17:01:54
CONSOLE:
[INFO] /24.231.149.120:58696 lost connection
17:01:54
CONSOLE:
[INFO] /98.219.54.31:50372 lost connection
17:01:54
CONSOLE:
[INFO] Koshy120 [/99.242.229.172:60715] lost connection
17:01:54
CONSOLE:
[INFO] /99.242.229.172:60731 lost connection
17:01:54
CONSOLE:
[INFO] /50.23.30.168:49669 lost connection
17:01:54
CONSOLE:
[INFO] /99.242.229.172:60748 lost connection
17:01:54
CONSOLE:
[INFO] /24.231.149.120:58728 lost connection
17:01:54
CONSOLE:
[INFO] /205.186.176.22:53873 lost connection
17:01:54
CONSOLE:
[INFO] /24.30.62.173:57092 lost connection
17:01:54
CONSOLE:
[INFO] Koshy120 [/99.242.229.172:60759] lost connection
17:01:54
CONSOLE:
[INFO] /94.231.109.64:38624 lost connection
17:01:54
CONSOLE:
[INFO] /99.242.229.172:60776 lost connection
17:01:54
CONSOLE:
[INFO] /99.18.104.226:49589 lost connection
17:01:54
CONSOLE:
[INFO] /50.48.63.15:61981 lost connection
17:01:54
CONSOLE:
[INFO] Catswagg [/76.227.103.141:57132] lost connection

 

Something is really wrong here. Maybe it's the lack of information?

 

17:10:33
CONSOLE:
[INFO] This server is running CraftBukkit version git-Bukkit-1.4.6-R0.1-b2561jnks (MC: 1.4.6) (Implementing API version 1.4.6-R0.1)


17:10:55
CONSOLE:
[INFO] Plugins (29): World Portal, HideStream, SimpleBackup, GroupManager, WorldEdit, NoCheatPlus, BukkitCompat, Buycraft, Vault, War, Multiverse-Core, NoNothing, WorldGuard, BorderGuard, VoxelUpdate, iConomy, Permissions, MoArrows, PvPTitles, BKCommonLib, Votifier, mcMMO, Essentials, JCVaultListener, EssentialsProtect, EssentialsSpawn, Enjin Minecraft Plugin, EssentialsChat, Factions


Everyonce in a while everyone on the server will lose connection

Ok im getting a new error code now that may be related. btw world guard has been updated the latest version.

17:19:37
CONSOLE:
[INFO] mfblue825000 issued server command: /party binary10
17:19:37
CONSOLE:
[SEVERE] Could not pass event EntityChangeBlockEvent to WorldGuard v5.6.5
17:19:37
CONSOLE:
java.lang.NoSuchMethodError: org.bukkit.event.entity.EntityChangeBlockEvent.getEntity()Lorg/bukkit/entity/LivingEntity;
17:19:37
CONSOLE:
[SEVERE] Could not pass event EntityChangeBlockEvent to WorldGuard v5.6.5
17:19:37
CONSOLE:
java.lang.NoSuchMethodError: org.bukkit.event.entity.EntityChangeBlockEvent.getEntity()Lorg/bukkit/entity/LivingEntity;
17:19:41
CONSOLE:
[INFO] mfblue825000 issued server command: /ptp ro
17:19:41
CONSOLE:
[SEVERE] Could not pass event EntityChangeBlockEvent to WorldGuard v5.6.5
17:19:41
CONSOLE:
java.lang.NoSuchMethodError: org.bukkit.event.entity.EntityChangeBlockEvent.getEntity()Lorg/bukkit/entity/LivingEntity;
17:19:47
CONSOLE:
[INFO] /50.23.30.168:32998 lost connection
17:19:51
CONSOLE:
[SEVERE] Could not pass event EntityChangeBlockEvent to WorldGuard v5.6.5
17:19:51
CONSOLE:
java.lang.NoSuchMethodError: org.bukkit.event.entity.EntityChangeBlockEvent.getEntity()Lorg/bukkit/entity/LivingEntity;


EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

make sure all your plugins have the latest build for 1.4.6 many older ones will not work correctly and cause errors