A post-maintenance glitch on Solana-based Backpack exchange on Thursday led to incorrect futures orders and erroneous balance reports for users.
After scheduled maintenance that halted trading at 6 am ET and resumed two hours later, the restart triggered significant account errors including order reversals and position flips.
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One Brazil-based trader, who goes by Defi Remora on X, said he had a $104,000 withdrawal request returned as 891 SOL, while his margin debit expanded from 31,000 USDT to 111,000 USDT, forcing him to manually unwind the position at a personal cost estimated at $300 to $400.
Backpack CEO Armani Ferrante acknowledged the issue as a “programming error” on the project’s Discord channel, promising affected users a thorough review and reimbursement.