09:31 AM EST, 02/28/2025 (MT Newswires) -- (Updates with Citigroup's ( C ) comments in the last two paragraphs.)

Citigroup ( C ) mistakenly credited $81 trillion, instead of $280, to a client's account in April 2024 due to an input error and interface issues with the backup system, the Financial Times reported Friday, citing a internal report and sources familiar with the matter.

According to the report, the error was missed by two employees and was detected by a third employee 90 minutes after the transaction was posted. The error was reversed after several hours, FT added.

"Despite the fact that a payment of this size could not actually have been executed, our detective controls promptly identified the inputting error between two Citi ledger accounts and we reversed the entry," a Citigroup ( C ) spokesperson told MT Newswires. "Our preventative controls would have also stopped any funds leaving the bank."

The spokesperson said there "was no impact to the bank or our client."

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