PayPal Express Error Log , please help

[timlo]

PayPal Express Checkout Error: This transaction couldn't be completed. Please redirect your customer to PayPal.. Test mode = 0. in /public_html/extensions/paypal_express_checkout/storefront/controller/responses/extension/paypal_express_checkout.php on line 117

Please tell me what is the issue and how to fixed it. ?

[Basara]

Please tell me what is the issue and how to fixed it. ?

Hello. According to PayPal documentation this error appear  "When a user is present during a payment transaction and the payments fails due to a processor decline"
Did you see this issue once or constantly?

[timlo]

is constantly like one week for fews this issue on the error log

[Basara]

That error usually means that there is an issue with the customers credit card. Whether it be that they do not have enough available funds, their bank declined the card, or their address doesn't match what's registered with their bank.