Problem I am using PingFederate as key manager for my API Manager. While requesting authorization code for an existing client and resource owner, it was showing the following error message "Server.log" shows the following message 2016-12-13 11:34:03,363 tid:AOf2aORr5j9_X_PHbCTZu-toxwA DEBUG [org.sourceid.websso.servlet.IntegrationControllerServlet] POST: https: <IP> /as/yVKcc/resume/as/authorization.ping 2016-12-13 11:34:03,363 tid:AOf2aORr5j9_X_PHbCTZu-toxwA INFO [org.sourceid.websso.servlet.IntegrationControllerServlet] org.sourceid.websso.servlet.RenderPageException: Unable to resume processing because saved state was not found for key: BR6msnwXdx33oQX3imDRni_yVKcc - rendering state.not.found.error.page.template.html Background 1. I have following two OAuth clients configured in PingFederate 2. OAuth client "2" was created with the following configuration 3. Using the following url, authorization code was requested ...