Some otheres were reporting this issue recently. You might want to take a look at:
https://groups.google.com/d/topic/trac-users/BV1K8shUi6U/discussion -- You received this message because you are subscribed to the Google Groups "Trac Users" group. To view this discussion on the web visit https://groups.google.com/d/msg/trac-users/-/noe5O3PTgX0J. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/trac-users?hl=en.
