close Warning: Failed to sync with repository "(default)": [Errno 12] Cannot allocate memory; repository information may be out of date. Look in the Trac log for more information including mitigation strategies.

Oops…

Trac detected an internal error:
OSError: [Errno 12] Cannot allocate memory

There was an internal error in Trac. It is recommended that you notify your local Trac administrator with the information needed to reproduce the issue.

To that end, you could a ticket.

The action that triggered the error was:

GET: /changeset/a75f2a7a6f57da846ab54d6fe5d52ec0c021a042

TracGuide — The Trac User and Administration Guide