NEW YORK -- It was not just the deals on Black Friday that caused long lines at many Macy's locations nationwide.
A computer glitch made it impossible to process some gift and credit card transactions.
The problem came at the worst possible time - backing up checkout lines in stores and causing outages online.
Macy's Facebook page and social media accounts lit up with complaints. The problem has since been fixed.
Black Friday computer glitch backs up checkout lines at Macy's stores
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