{"version":"2.1.257","anchor":"new-cli-messaging-when-resuming-a-session-thats-already-run","canonical_anchor":"new-cli-messaging-when-resuming-a-session-thats-already-run","heading":"New CLI messaging when resuming a session that's already running","tier":"notice","area":"Sessions","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.257\/e\/new-cli-messaging-when-resuming-a-session-thats-already-run","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.257","markdown":"### New CLI messaging when resuming a session that's already running\n\nResuming a session that is already running elsewhere starts a copy and points you to claude attach to join the live one.\n\nTrying to continue or resume a session id that's already running elsewhere (a background job, another process, or a handle conflict) now starts a copy of it instead of attaching, and prints a note explaining why, pointing to `claude attach` as the way to join the live session.\n\n- Area: Sessions\n- Names: `claude attach`\n- Tier: You'll notice\n- Useful: 3\/5\n- Signal: 3\/5"}