Citigroup credited $81 trillion to a customer’s account, instead of just $280, and took hours to reverse the transaction — an embarrassing “near miss” for a bank that has struggled to fix operational issues.

Citigroup Inc. erroneously credited $81 trillion to a customer’s account instead of $280 last April before reversing the transaction hours later, according to the Financial Times.

Citigroup erroneously credited $81 trillion, instead of $280, to a customer's account and took hours to reverse the transaction, a "near miss" that shows up the bank's operational issues it has sought to fix,