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Failed to sync with repository "(default)": [Errno 12] Cannot allocate memory; repository information may be out of date.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 aa7ce1b3dd961e948e907460bd42bf1592ea1717 in the repository
TracGuide — The Trac User and Administration Guide