Had a crash on a server, couldn't reenter because it would crash again. crash report below:

Description: Ticking entity

java.lang.ClassCastException: java.lang.Boolean cannot be cast to java.lang.Integer
at com.github.alexthe666.rats.server.entity.EntityRat.getCommandInteger(EntityRat.java:681)
at com.github.alexthe666.rats.server.entity.EntityRat.getCommand(EntityRat.java:809)
at com.github.alexthe666.rats.server.entity.EntityRat.canMove(EntityRat.java:1861)
at com.github.alexthe666.rats.server.entity.EntityRat.func_191986_a(EntityRat.java:1842)
at net.minecraft.entity.EntityLivingBase.func_70636_d(EntityLivingBase.java:2393)
at net.minecraft.entity.EntityLiving.func_70636_d(EntityLiving.java:577)
at net.minecraft.entity.EntityAgeable.func_70636_d(EntityAgeable.java:178)
at net.minecraft.entity.passive.EntityAnimal.func_70636_d(SourceFile:43)
at com.github.alexthe666.rats.server.entity.EntityRat.func_70636_d(EntityRat.java:884)
at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:2179)
at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:295)
at net.minecraft.world.World.func_72866_a(World.java:1996)
at net.minecraft.world.World.func_72870_g(World.java:1958)
at net.minecraft.world.World.func_72939_s(World.java:1762)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1847)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1098)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:398)
at net.minecraft.client.main.Main.main(SourceFile:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

A detailed walkthrough of the error, its code path and all known details is as follows:

-- Head --
Thread: Client thread
Stacktrace:
at com.github.alexthe666.rats.server.entity.EntityRat.getCommandInteger(EntityRat.java:681)
at com.github.alexthe666.rats.server.entity.EntityRat.getCommand(EntityRat.java:809)
at com.github.alexthe666.rats.server.entity.EntityRat.canMove(EntityRat.java:1861)
at com.github.alexthe666.rats.server.entity.EntityRat.func_191986_a(EntityRat.java:1842)
at net.minecraft.entity.EntityLivingBase.func_70636_d(EntityLivingBase.java:2393)
at net.minecraft.entity.EntityLiving.func_70636_d(EntityLiving.java:577)
at net.minecraft.entity.EntityAgeable.func_70636_d(EntityAgeable.java:178)
at net.minecraft.entity.passive.EntityAnimal.func_70636_d(SourceFile:43)
at com.github.alexthe666.rats.server.entity.EntityRat.func_70636_d(EntityRat.java:884)
at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:2179)
at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:295)
at net.minecraft.world.World.func_72866_a(World.java:1996)
at net.minecraft.world.World.func_72870_g(World.java:1958)

-- Entity being ticked --
Details:
Entity Type: rats:rat (com.github.alexthe666.rats.server.entity.EntityRat)
Entity ID: 8194
Entity Name: Rat
Entity's Exact location: 25.50, 19.00, 295.50
Entity's Block location: World: (25,19,295), Chunk: (at 9,1,7 in 1,18; contains blocks 16,0,288 to 31,255,303), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0.00, -0.08, 0.00
Entity's Passengers: []
Entity's Vehicle: ERROR NullPointerException: null
Stacktrace:
at net.minecraft.world.World.func_72939_s(World.java:1762)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityPlayerSP[/8995, l='MpServer', x=74.89, y=74.00, z=323.22]]
Chunk stats: MultiplayerChunkCache: 441, 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (-4,64,256), Chunk: (at 12,4,0 in -1,16; contains blocks -16,0,256 to -1,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 551250 game time, 599668 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 88 total; [EntityVoidCreeper['Void Creeper'/8704, l='MpServer', x=28.50, y=85.00, z=391.50], EntityRat['Rat'/8194, l='MpServer', x=25.50, y=19.00, z=295.50], EntityCreeper['Creeper'/8707, l='MpServer', x=14.84, y=84.00, z=400.51], EntityPlayerSP['killerdoga'/8995, l='MpServer', x=74.89, y=74.00, z=323.22], EntityRat['Rat'/9221, l='MpServer', x=38.50, y=43.00, z=266.50], EntityZombie['Zombie'/8714, l='MpServer', x=34.45, y=79.00, z=393.24], EntitySkeleton['Skeleton'/8715, l='MpServer', x=38.50, y=82.00, z=399.50], EntityItem['item.item.slimeball'/2571, l='MpServer', x=57.17, y=71.00, z=374.76], EntitySpider['Spider'/8716, l='MpServer', x=45.50, y=82.00, z=386.50], EntityItem['item.item.ma.crafting_inferium_essence'/2572, l='MpServer', x=56.13, y=71.00, z=374.34], EntitySpider['Spider'/8717, l='MpServer', x=46.50, y=82.00, z=388.50], EntityItem['item.item.mod_lavacow.parasite_item'/2573, l='MpServer', x=62.12, y=70.00, z=377.30], EntityZombie['Zombie'/8982, l='MpServer', x=144.50, y=78.00, z=384.50], EntitySkeleton['Skeleton'/8215, l='MpServer', x=5.50, y=81.00, z=374.50], EntitySkeleton['Skeleton'/8985, l='MpServer', x=144.50, y=78.00, z=374.50], EntitySkeleton['Skeleton'/8986, l='MpServer', x=139.72, y=80.00, z=365.53], EntitySkeleton['Skeleton'/8987, l='MpServer', x=148.50, y=78.00, z=371.50], EntitySkeleton['Skeleton'/7967, l='MpServer', x=39.50, y=72.00, z=358.50], EntityRaven['Raven'/8736, l='MpServer', x=107.66, y=24.00, z=388.29], EntitySkeleton['Skeleton'/9251, l='MpServer', x=43.50, y=20.00, z=261.50], EntitySkeleton['Skeleton'/9252, l='MpServer', x=51.50, y=20.00, z=256.50], EntityBat['Bat'/8741, l='MpServer', x=106.16, y=24.64, z=394.69], EntityBanshee['Banshee'/9253, l='MpServer', x=49.50, y=20.00, z=258.50], EntityCreeper['Creeper'/8742, l='MpServer', x=127.50, y=69.00, z=388.50], EntityBanshee['Banshee'/9254, l='MpServer', x=49.50, y=20.00, z=253.50], EntityZombie['Zombie'/7467, l='MpServer', x=70.70, y=68.00, z=308.50], EntityBat['Bat'/8492, l='MpServer', x=7.25, y=48.10, z=247.00], EntitySkeleton['Skeleton'/8749, l='MpServer', x=43.50, y=22.00, z=251.50], EntityZombie['Zombie'/6702, l='MpServer', x=64.50, y=19.00, z=323.50], EntityZombie['Zombie'/9271, l='MpServer', x=51.50, y=14.00, z=377.50], EntityItem['item.item.ma.crafting_inferium_essence'/3384, l='MpServer', x=53.40, y=71.00, z=333.82], EntitySpider['Spider'/7740, l='MpServer', x=84.50, y=67.00, z=380.50], EntitySkeleton['Skeleton'/8518, l='MpServer', x=123.50, y=79.00, z=267.50], EntityScarecrow['Scarecrow'/7760, l='MpServer', x=115.50, y=70.00, z=313.50], EntitySpider['Spider'/8530, l='MpServer', x=-1.02, y=66.00, z=311.97], EntityZombie['Zombie'/8532, l='MpServer', x=-4.50, y=66.00, z=319.50], EntityCreeper['Creeper'/9304, l='MpServer', x=30.50, y=54.00, z=246.50], EntitySkeleton['Skeleton'/9305, l='MpServer', x=33.50, y=19.00, z=279.50], EntitySkeleton['Skeleton'/9306, l='MpServer', x=34.50, y=19.00, z=280.50], EntitySkeleton['Skeleton'/9307, l='MpServer', x=31.50, y=19.00, z=279.50], EntitySpider['Spider'/7518, l='MpServer', x=78.03, y=68.00, z=292.02], EntityZombie['Zombie'/8799, l='MpServer', x=39.50, y=18.00, z=245.50], EntityZombie['Zombie'/8800, l='MpServer', x=39.50, y=18.00, z=244.50], EntityItem['item.item.silk_cocoon'/4455, l='MpServer', x=103.37, y=76.00, z=334.96], EntitySkeleton['Skeleton'/8831, l='MpServer', x=149.50, y=43.00, z=379.50], EntityAncientGolem['Ancient Golem'/9088, l='MpServer', x=20.50, y=37.00, z=295.19], EntityCreeper['Creeper'/9089, l='MpServer', x=22.50, y=39.00, z=289.50], EntityCreeper['Creeper'/9090, l='MpServer', x=24.50, y=39.00, z=287.50], EntityRaven['Raven'/133, l='MpServer', x=-4.58, y=41.00, z=271.80], EntityRaven['Raven'/134, l='MpServer', x=0.59, y=47.00, z=258.02], EntityRaven['Raven'/135, l='MpServer', x=-3.50, y=41.00, z=272.50], EntityBat['Bat'/8854, l='MpServer', x=106.80, y=65.80, z=367.42], EntityRaven['Raven'/155, l='MpServer', x=25.13, y=50.00, z=249.25], EntityRaven['Raven'/156, l='MpServer', x=24.25, y=51.00, z=246.58], EntityWitch['Witch'/8354, l='MpServer', x=77.50, y=69.00, z=249.50], EntitySkeleton['Skeleton'/5029, l='MpServer', x=47.50, y=17.00, z=258.50], EntityBat['Bat'/9133, l='MpServer', x=64.82, y=20.31, z=321.05], EntityBat['Bat'/9134, l='MpServer', x=62.18, y=20.45, z=322.54], EntityRaven['Raven'/178, l='MpServer', x=38.22, y=56.00, z=244.37], EntityScarecrow['Scarecrow'/6326, l='MpServer', x=47.50, y=31.00, z=298.50], EntitySowYorkshire['American Yorkshire Sow'/182, l='MpServer', x=47.98, y=77.00, z=381.95], EntityCreeper['Creeper'/8634, l='MpServer', x=47.50, y=58.00, z=244.50], EntityItem['item.item.silk_cocoon'/9150, l='MpServer', x=66.11, y=73.00, z=331.67], EntityItem['item.tile.dirt.default'/3523, l='MpServer', x=75.28, y=69.00, z=307.88], EntityRaven['Raven'/198, l='MpServer', x=52.32, y=15.00, z=308.25], EntityBullFriesian['Friesian Bull'/199, l='MpServer', x=60.75, y=68.00, z=306.18], EntityCalfHereford['Hereford Calf'/200, l='MpServer', x=65.16, y=68.00, z=303.97], EntityCowHereford['Hereford Cow'/201, l='MpServer', x=63.95, y=68.30, z=305.96], EntitySilkworm['Silkworm'/202, l='MpServer', x=63.50, y=65.00, z=331.50], EntityDog['Moogaloo'/203, l='MpServer', x=59.30, y=70.88, z=322.30], EntityItem['item.item.rottenFlesh'/1998, l='MpServer', x=58.51, y=71.00, z=376.69], EntityItem['item.item.mod_lavacow.hyphae'/1999, l='MpServer', x=96.88, y=63.00, z=266.04], EntityRaven['Raven'/208, l='MpServer', x=50.50, y=14.00, z=378.50], EntityItem['item.item.mod_lavacow.hyphae'/2000, l='MpServer', x=97.97, y=63.00, z=267.15], EntitySowYorkshire['American Yorkshire Sow'/209, l='MpServer', x=51.67, y=77.00, z=382.62], EntitySilkworm['Silkworm'/221, l='MpServer', x=65.89, y=73.00, z=331.40], EntityCreeper['Creeper'/8930, l='MpServer', x=77.50, y=71.00, z=262.50], EntityAncientGolem['Ancient Golem'/8675, l='MpServer', x=121.26, y=70.00, z=306.47], EntityZombie['Zombie'/9195, l='MpServer', x=47.50, y=43.00, z=264.50], EntityBat['Bat'/8686, l='MpServer', x=89.36, y=57.07, z=366.23], EntitySilkworm['Silkworm'/241, l='MpServer', x=102.59, y=76.00, z=335.54], EntitySkeleton['Skeleton'/8692, l='MpServer', x=38.50, y=82.00, z=401.50], EntityCreeper['Creeper'/8693, l='MpServer', x=57.50, y=14.00, z=386.50], EntityBat['Bat'/9205, l='MpServer', x=35.50, y=43.00, z=265.50], EntityBat['Bat'/8694, l='MpServer', x=53.25, y=15.87, z=390.54], EntityBat['Bat'/9206, l='MpServer', x=34.50, y=43.00, z=266.50], EntityBat['Bat'/9208, l='MpServer', x=32.50, y=43.00, z=265.50], EntityBat['Bat'/8702, l='MpServer', x=24.75, y=20.10, z=392.59]]
Retry entities: 0 total; []
Server brand: fml,forge
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:420)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2741)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:419)
at net.minecraft.client.main.Main.main(SourceFile:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)