Delta Air Lines' cargo operation has temporarily stopped taking new freight shipments after a system glitch.

The problem arose after a system update, according to a notice on Delta Cargo’s website.

As a result of the system update on Sunday Dec. 9, "our vendor experienced server performance issues, which necessitated a worldwide embargo for all freight products until December 12 at 3:00 p.m. EST," Atlanta-based Delta says on its cargo website.

The problems included “intermittent system performance issues impacting our operation across stations,” according to Delta on Monday. “These issues including booking, tracking and automated email notifications for shipment status.” Customers have encountered long hold times for customer service.

The company said its cargo operations system was restored early Tuesday morning at 2:38 a.m., but it will keep the embargo on new shipments in place “to enable a large volume of backlogged shipments to be cleared.”

"Operations teams around the world are working hard to get your shipments moving to their destination," Delta Cargo says on its website.

“We appreciate our Delta Cargo customers’ patience and apologize for any inconvenience,” Delta said in a written statement.

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