Coin pouch glitch

The Maximum Coins Glitch was a major glitch that occurred on 12 July 2018. It occurred after a game update which unintentionally caused items in players inventories to become. 2,147,483,647 is the maximum value a 32-bit signed integer can take, which is what data type RuneScape uses for quantity.

Jagex immediately took action by taking the Old School servers offline. Hours after the glitch occurring, Jagex announced they were performing restoration (a rollback) of the game.