CitizensDev/Citizens — pull request #1164 by GuillaumeDerval (2012-09-09 19:59:49+00:00)
Title: Vault doesn't like negative values.

Vault "Cannot withdraw negative funds".
(see https://github.com/MilkBowl/Vault/blob/master/src/net/milkbowl/vault/economy/plugins/Economy_iConomy6.java)

In some part of the code, you use Economy.pay with negative values (example: /npc money take).