The issue was resolved. It was the issue of paypal and the bank.
Thank you for coming here. May we know what payment method you used ?Also,you can try a new IE or another PC for the possible site error. Or you can try Paypal and Express Checkout.Sincerely hope it would be help .Have a nice day [Q]Tried paying for my order a lot of times. Kept getting the same transaction error:
ERROR Your transaction has encountered unexpected error. Please try again, or try another payment which is available at DinoDirect.com.