The SSO-IDP. log shows the same error. ... This may be an issue with the way users were imported / created in SBM. Perhaps, this is caused by an upgrade from an old version of TeamTrack.
The following change will cause users logged into Agile to be kicked out of their session and be forced to login again so make this change in off hours. Open the web.config file in the following default install folder. C:\Program Files\Serena\Agile Planner\Agile\web.config
Import the type system into the staging environment (Setup | Configuration | Types Setup | Item Types | Import Type System). For "gotcha" items with the import, see KB S137457 .
Log into Mariner/Agile. Go to Setup | Configuration | Environment Settings | Notification Settings. Set the Notification Queue Server Name to be the name of the Mariner/Agile web server machine (do not use localhost).