When using the PayPal integration in KennelBooker, there are a few potential error codes that may appear when first using the new payment pages.
The most common error is when PayPal returns the following error “10002: Security error - Security header is not valid".
When communicating with PayPal they require three pieces of information to be sent across to them, these are your;
Sometimes when copying over your details you might accidentally not copy over the full stings or you may accidentally add a space.
Double check these settings in the Payments tab in the settings area of KennelBooker.