wezterm/wezterm · error

Invalid tab id {}

Error message

Invalid tab id {}

What it means

Error "Invalid tab id {}" thrown in wezterm/wezterm.

Source

Thrown at mux/src/lib.rs:1280

    ) -> anyhow::Result<(Arc<Tab>, WindowId)> {
        let (domain_id, _src_window, src_tab) = self
            .resolve_pane_id(pane_id)
            .ok_or_else(|| anyhow::anyhow!("pane {} not found", pane_id))?;

        let domain = self
            .get_domain(domain_id)
            .ok_or_else(|| anyhow::anyhow!("domain {domain_id} of pane {pane_id} not found"))?;

        if let Some((tab, window_id)) = domain
            .move_pane_to_new_tab(pane_id, window_id, workspace_for_new_window.clone())
            .await?
        {
            return Ok((tab, window_id));
        }

        let src_tab = match self.get_tab(src_tab) {
            Some(t) => t,
            None => anyhow::bail!("Invalid tab id {}", src_tab),
        };

        let window_builder;
        let (window_id, size) = if let Some(window_id) = window_id {
            let window = self
                .get_window_mut(window_id)
                .ok_or_else(|| anyhow!("window_id {} not found on this server", window_id))?;
            let tab = window
                .get_active()
                .ok_or_else(|| anyhow!("window {} has no tabs", window_id))?;
            let size = tab.get_size();

            (window_id, size)
        } else {
            window_builder = self.new_empty_window(workspace_for_new_window, None);
            (*window_builder, src_tab.get_size())
        };

View on GitHub (pinned to 9c04f79f86)

When it happens

Trigger: Thrown at mux/src/lib.rs:1280 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of wezterm/wezterm@9c04f79f86 (2026-08-16). Data as JSON: /api/errors/099a15eade5023e3. Report an issue: GitHub.