07.07 14:24:40 [Server] WARN [CivCraft] Plugin CivCraft v1.0.0 generated an exception while executing task 1619
07.07 14:24:40 [Server] INFO java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
07.07 14:24:40 [Server] INFO at java.util.ArrayList.rangeCheck(ArrayList.java:657) ~[?:1.8.0_162]
07.07 14:24:40 [Server] INFO at java.util.ArrayList.get(ArrayList.java:433) ~[?:1.8.0_162]
07.07 14:24:40 [Server] INFO at com.avrgaming.civcraft.object.Town.processTownUpgradeHammer(Town.java:1762) ~[?:?]