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MIAMI, Fla.-- Millions of Floridians can't use their foods stamps because of a technical glitch.

The Department of Children and Families said a national outage Friday at JPMorgan Chase is preventing about 3.6 million recipients from being able to use their food stamp debit cards to buy groceries.

Crews are working on the outage, which began around 7 a.m. The agency couldn't estimate when the outage might be fixed.

Stores can choose to run a manual processing of up to $40. Wal-Mart stores can also process manual transactions of up to $100.

Recipients can get updates on the outage at www.twitter.com/myflfamilies or at www.facebook.com/myflfamilies.