closeWarning:
Failed to sync with repository "(default)": [Errno 12] Cannot allocate memory; repository information may be out of date.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.
Error: Invalid changeset number
NoSuchChangeset: No changeset ca974d7f6171a70c5484420bd6c59919383105a6 in the repository
TracGuide — The Trac User and Administration Guide