Hannaford stores across Maine experienced a network issue Thursday that blocked some credit card sales, pick-up orders and prescription pickups. Shawn Patrick Ouellette/Staff Photographer

Hannaford, Maine’s largest grocery chain, is experiencing a network issue that has closed its website and prevented customers from paying by credit card in some stores.

Customers attempting to access Hannaford’s website will see this message. Screenshot via Hannaford.com

It was unclear Thursday afternoon how widespread the problem was, but a spokesperson said all stores in Maine remain open. Some stores are “temporarily unable to accept credit cards,” the spokesperson said, but declined to say which locations those are.

Some customers said the problem started on Wednesday. Others said they had also experienced similar issues earlier this month.

As of 5:30 p.m., Hannaford’s website showed a blank page with the company’s logo and a message that read: “Sorry! We are having technical problems with our servers. We are working to restore service as quickly as possible.”

“We are working diligently to resolve the issue with minimal disruption,” a company spokesperson said in a statement. “We apologize for any inconvenience caused and thank our customers for their understanding and patience. We will provide an update once the issue is resolved.”

The company did not respond to questions about how widespread the server problem is, when it occurred, what caused the outage or when it might be fixed.

Customers with prescription questions are encouraged to contact the pharmacy.

Hannaford is owned by the Ahold Delhaize group. It was founded in Portland in 1883 and is headquartered in Scarborough.

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