When running the botania-skyblock-spread command, if you don't pass any arguments it throws an error.

[19:33:32] [Server thread/ERROR]: Couldn't process command: 'botania-skyblock-spread'
java.lang.ArrayIndexOutOfBoundsException: 0
at vazkii.botania.common.core.command.CommandSkyblockSpread.func_71515_b(CommandSkyblockSpread.java:54) ~[CommandSkyblockSpread.class:?]
at net.minecraft.command.CommandHandler.func_71556_a(CommandHandler.java:94) [z.class:?]