Error

-- Head --
Thread: Server thread
Stacktrace:
	at com.pixelmonmod.pixelmon.blocks.BlockBerryTree.getDrops(BlockBerryTree.java:71)
	at net.minecraft.block.Block.func_180653_a(Block.java:544)
	at net.minecraft.block.Block.func_176226_b(Block.java:537)
	at com.pixelmonmod.pixelmon.blocks.BlockBerryTree.checkAndDropBlock(BlockBerryTree.java:259)
	at com.pixelmonmod.pixelmon.blocks.BlockBerryTree.func_189540_a(BlockBerryTree.java:338)
	at net.minecraft.block.state.BlockStateContainer$StateImplementation.func_189546_a(BlockStateContainer.java:463)

-- Block being updated --
Details:
	Source block type: ID #0 (tile.air // net.minecraft.block.BlockAir)
	Block: pixelmon:berrytree_jaboca[blockpos=top,facing=north]
	Block location: World: (-4624,75,4102), Chunk: (at 0,4,6 in -289,256; contains blocks -4624,0,4096 to -4609,255,4111), Region: (-10,8; contains chunks -320,256 to -289,287, blocks -5120,0,4096 to -4609,255,4607)
Stacktrace:
	at org.spongepowered.common.event.tracking.CauseTracker.notifyBlockOfStateChange(CauseTracker.java:406)
	at net.minecraft.world.WorldServer.func_175685_c(WorldServer.java:2775)
	at net.minecraft.world.World.func_175722_b(World.java:423)
	at org.spongepowered.common.event.tracking.CauseTracker.setBlockState(CauseTracker.java:503)
	at net.minecraft.world.WorldServer.func_180501_a(WorldServer.java:2675)
	at net.minecraft.block.BlockDynamicLiquid.func_176375_a(BlockDynamicLiquid.java:174)
	at net.minecraft.block.BlockDynamicLiquid.func_180650_b(BlockDynamicLiquid.java:152)
	at org.spongepowered.common.event.tracking.TrackingUtil.updateTickBlock(TrackingUtil.java:269)
	at net.minecraft.world.WorldServer.redirect$onUpdateTick$zka000(WorldServer.java:2183)

-- Block being ticked --
Details:
	Block: minecraft:flowing_water[level=3]
	Block location: World: (-4622,75,4102), Chunk: (at 2,4,6 in -289,256; contains blocks -4624,0,4096 to -4609,255,4111), Region: (-10,8; contains chunks -320,256 to -289,287, blocks -5120,0,4096 to -4609,255,4607)
Stacktrace:
	at net.minecraft.world.WorldServer.func_72955_a(WorldServer.java:744)
	at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:218)