Has anyone gotten this error when clicking Process Viewer from the Process Manager home page?

Error retrieving user from database.

at LogicBase.Ensemble.Userman.Userman.LoginUser(String email, String password, String instancename) at LogicBase.Ensemble.GlobalHelper.PerformAdminLogin() at LogicBase.Ensemble.Permissions.PermissionHelper.GetReferenceID(PermissionType permType, String referenceName) at LogicBase.Ensemble.Portal.ServiceCore.UserPersonalization.GetUserPersonalization(String PageID, String UserName) at LogicBase.Ensemble.Portal.ServiceCore.PersonalizationProvider.LoadPersonalizationBlobs(WebPartManager webPartManager, String path, String userName, Byte[]& sharedDataBlob, Byte[]& userDataBlob) at System.Web.UI.WebControls.WebParts.PersonalizationProvider.LoadPersonalizationState(WebPartManager webPartManager, Boolean ignoreCurrentUser) at System.Web.UI.WebControls.WebParts.WebPartPersonalization.Load() at System.Web.UI.WebControls.WebParts.WebPartPersonalization.LoadInternal() at System.Web.UI.WebControls.WebParts.WebPartManager.OnInit(EventArgs e) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)