We have just started to receive this message when our customers checkout on our site. I have verified that we have a Business account, the home and customer support numbers are entered. Any other suggestions would be very appreciated. Thank you in advance for any assistance.
That specific Error Message 10548 Invalid Configuration typically means that your PayPal Account is not currently setup to Accept Direct Credit Cards. In order to process Direct Credit Cards you will need to get setup with a Payments Pro Account.
Below is the link to the information on setting up PayPal Payment's Pro.
