What’s the Problem?
So here’s the deal: the system didn’t have proper checks on the server side for the count_item parameter. This means that you could craft items without actually having the required ingredients.
For example, if an item needs yang (the in-game currency) to be crafted, the system wouldn’t check if you had enough yang in your inventory. As a result, you could craft items without needing the necessary materials. This could even lead to your yang balance going negative (GOLD_OVERFLOW).
Why Is This a Big Deal?
Having a negative yang balance means you could essentially exploit the game. Imagine being able to buy high-priced items or transfer unlimited yang—pretty game-breaking, right? You could buy whatever you want from the shop without any limits, throwing the in-game economy out of whack.
Acknowledgments
A huge shoutout goes to @Amun for fixing this issue!
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