Please post a rating and a review of Payage at the Joomla Extensions Directory:
http://extensions.joomla.org/extensions/e-commerce/payment-systems/26898
A healthy set of reviews can help Payage to grow and encourage third party developers to develop more payment gateways for it.
The About page of Payage contains a number of useful links, and also shows the latest released version of Payage. If the latest version is later than yours, you can follow the link to the Version History to see exactly what has changed.
The vast majority of payment problems turn out to be caused by failure to follow the documentation, but if you truly believe there is a problem with the software, please raise a support ticket and provide us with a detailed description of the problem together with the following information:
To raise a support ticket, please go to https://remository.com/support/support-tickets