A Starknet-based perpetual DEX experienced a critical incident following a database migration error, forcing developers to execute a chain rollback to block 1,604,710. During the glitch, Bitcoin's price feed malfunctioned and displayed zero, cascading into mass liquidations across the platform before the recovery was completed. The incident highlights the vulnerabilities in emerging Layer 2 trading infrastructure and the speed at which pricing errors can trigger systematic liquidation cascades in on-chain derivatives markets.