crash

2013-02-13 17:06:43 [INFO] [BukkitForge] Starting BukkitForge null-null(CB-Versi
on: git-Bukkit-1.4.5-R1.0-b3000jnks (Really: BukkitForge for MC 1.4.7)).
2013-02-13 17:06:43 [INFO] [BukkitForge] This server is running BukkitForge vers
ion git-Bukkit-1.4.5-R1.0-b3000jnks (Really: BukkitForge for MC 1.4.7) (Implemen
ting API version 1.4.7-R0.1)
2013-02-13 17:06:43 [INFO] [BukkitForge] Plugins are being loaded...
2013-02-13 17:06:43 [INFO] [STDOUT] Mapping loaded 2024 classes, 2184 fields, 35
33 methods, flags 30
2013-02-13 17:06:44 [INFO] [com.bergerkiller.bukkit.common.internal.CommonPlugin
] [BKCommonLib] Loading BKCommonLib v1.48
2013-02-13 17:06:44 [INFO] [com.bergerkiller.bukkit.common.internal.CommonPlugin
] [BKCommonLib] Enabling BKCommonLib v1.48
2013-02-13 17:06:44 [SEVERE] [BukkitForge] [BKCommonLib] BKCommonLib can only ru
n on a CraftBukkit build compatible with Minecraft v1_4_R1
2013-02-13 17:06:44 [SEVERE] [BukkitForge] [BKCommonLib] Please look for an avai
lable BKCommonLib update:
2013-02-13 17:06:44 [SEVERE] [BukkitForge] [BKCommonLib] http://dev.bukkit.org/s
erver-mods/bkcommonlib/
2013-02-13 17:06:44 [INFO] [com.bergerkiller.bukkit.common.internal.CommonPlugin
] [BKCommonLib] Disabling BKCommonLib v1.48
2013-02-13 17:06:44 [INFO] [BukkitForge] Loading PostWorld plugins...
2013-02-13 17:06:44 [INFO] [BukkitForge] Going to load perms file: permissions.y
ml
2013-02-13 17:06:44 [INFO] [BukkitForge] Server permissions file permissions.yml
 is empty, ignoring it
2013-02-13 17:06:44 [INFO] [BukkitForge] Loaded plugins:
2013-02-13 17:06:44 [INFO] [BukkitForge] BKCommonLib- Enabled: false