Bukkit

Describe to us the issue that you're having:
2.9.23 works perfectly for me, when I run 2.9.24 I get the following errors for each world:

2012-10-30 22:24:30 [INFO] [bPermissions] Enabling bPermissions v2.9.24
2012-10-30 22:24:30 [INFO] [bPermissions] Loading world: world
2012-10-30 22:24:31 [SEVERE] java.lang.NullPointerException
2012-10-30 22:24:31 [SEVERE]     at org.bukkit.configuration.file.YamlConfiguration.convertMapsToSections(YamlConfiguration.java:72)
2012-10-30 22:24:31 [SEVERE]     at org.bukkit.configuration.file.YamlConfiguration.convertMapsToSections(YamlConfiguration.java:76)
2012-10-30 22:24:31 [SEVERE]     at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:66)
2012-10-30 22:24:31 [SEVERE]     at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:138)
2012-10-30 22:24:31 [SEVERE]     at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:105)
2012-10-30 22:24:31 [SEVERE]     at de.bananaco.bpermissions.imp.YamlConfiguration.load(YamlConfiguration.java:17)
2012-10-30 22:24:31 [SEVERE]     at de.bananaco.bpermissions.imp.YamlWorld.loadUnsafe(YamlWorld.java:116)
2012-10-30 22:24:31 [SEVERE]     at de.bananaco.bpermissions.imp.YamlWorld.load(YamlWorld.java:92)
2012-10-30 22:24:31 [SEVERE]     at de.bananaco.bpermissions.api.WorldManager.createWorld(WorldManager.java:137)
2012-10-30 22:24:31 [SEVERE]     at de.bananaco.bpermissions.imp.WorldLoader.createWorld(WorldLoader.java:47)
2012-10-30 22:24:31 [SEVERE]     at de.bananaco.bpermissions.imp.WorldLoader.<init>(WorldLoader.java:32)
2012-10-30 22:24:31 [SEVERE]     at de.bananaco.bpermissions.imp.Permissions.onEnable(Permissions.java:79)
2012-10-30 22:24:31 [SEVERE]     at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
2012-10-30 22:24:31 [SEVERE]     at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:374)
2012-10-30 22:24:31 [SEVERE]     at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
2012-10-30 22:24:31 [SEVERE]     at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:270)
2012-10-30 22:24:31 [SEVERE]     at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:252)
2012-10-30 22:24:31 [SEVERE]     at net.minecraft.server.MinecraftServer.j(MinecraftServer.java:311)
2012-10-30 22:24:31 [SEVERE]     at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:290)
2012-10-30 22:24:31 [SEVERE]     at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:249)
2012-10-30 22:24:31 [SEVERE]     at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:141)
2012-10-30 22:24:31 [SEVERE]     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:391)
2012-10-30 22:24:31 [SEVERE]     at net.minecraft.server.ThreadServerApplication.run(SourceFile:818)

Which version of CraftBukkit?: (Please don't say "latest"!!!)
1.4.2-R0.1 (Build #02429), but I had the same problem with many earlier versions

Which OS?
linux

Any other information we may need (plugins, configs, etc):
AutoAnnouncer    1.7-03.23
AutoCraft    2.0
bPermissions    2.9.23
Citizens     2.0.3 Build #500
CraftBook    v1123-00b274d
CraftBookCircuits    v1123-00b274d
CraftBookMechanisms     v1123-00b274d
CraftBookVehicles     v1123-00b274d
Craftbukkit    1.4.2-R0.1 (Build #02429)
Curseban    1.3.2.1
DisguiseCraft    3.7
Essentials (core)    #Dev2.9.606
EssentialsChat (core)    #Dev2.9.606
EssentialsGeoIP (extras)    #Dev2.9.606
EssentialsSpawn (core)    #Dev2.9.606
Factions    1.6.9.1
HawkEye Reloaded    1.0.6.1 (log)/1.0.6.3 (site)
iConomy 6    7.0
Jobs    2.8.5
LagMeter    1.10.0
LogBlock    1.60
LWC    4.3.0
mcBans    3.9r1
mcMMO    1.3.11
Minequery    1.5
Multiverse-Core    v2.4-b525
Multiverse-Portals    2.4-b548
Multiverse-NetherPortals    v2.4-b527
Multiverse-SignPortal     v2.4-b521
Multiverse-Inventories    2.5-b207
PvPToggle    2.2.1
Recipe Manager
SignLift    1.22
SignShop    2.3.6
SkyPirates    1.4.1
UltimateArena    1.0
Vanish No Packet    3.12.4
Vault    1.2.19
Votifier    1.9
WarpSigns    3.0
WorldBorder    1.5.4
WorldEdit    5.4.3
WorldGuard    5.5.4

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I also have this issue, exact same error printout and CB 1.4.2 R1.0 bPermissions 2.9.24.

2.9.23 works fine, 2.9.24 does not load permissions at all.