However, it is highly recommended to put your store under maintenance from your admin - > systems - > settings - > edit store - > server tab - > Maintenance Mode: On. Then, to choose your store beside the logout link and NOT to logout from your admin session until the debug test is over. Once the test completed, see the error logs section of this topic for more information before posting the first / next enquiry on the forum: http://forum.opencart.com/viewtopic.php?f=190&t=165636
For more fundamental information regarding the payments and shipping modules of Opencart, see this topic from the docs (screenshots would need to be updated for v2.x releases): http://docs.opencart.com/extension/shipping/ and http://docs.opencart.com/extension/payment/ pages.
Additional steps can be found on this post: http://forum.opencart.com/viewtopic.php ... 19#p631596
The most generated errors being found on Opencart forum originates from contributed programming. The increased post counters are caused by redundancies of the same solutions that were already provided prior.
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