garrytan/gstack · error · Error

Tab ${tabId} not found

Error message

Tab ${tabId} not found

What it means

Error "Tab ${tabId} not found" thrown in garrytan/gstack.

Source

Thrown at browse/src/browser-manager.ts:799

    // Record tab ownership for multi-agent isolation
    if (clientId) {
      this.tabOwnership.set(id, clientId);
    }

    // Wire up console/network/dialog capture
    this.wirePageEvents(page);

    if (normalizedUrl) {
      await page.goto(normalizedUrl, { waitUntil: 'domcontentloaded', timeout: 15000 });
    }

    return id;
  }

  async closeTab(id?: number): Promise<void> {
    const tabId = id ?? this.activeTabId;
    const page = this.pages.get(tabId);
    if (!page) throw new Error(`Tab ${tabId} not found`);

    await page.close();
    this.pages.delete(tabId);
    this.tabSessions.delete(tabId);
    this.tabOwnership.delete(tabId);

    // Switch to another tab if we closed the active one
    if (tabId === this.activeTabId) {
      const remaining = [...this.pages.keys()];
      if (remaining.length > 0) {
        this.activeTabId = remaining[remaining.length - 1];
      } else {
        // No tabs left — create a new blank one
        await this.newTab();
      }
    }
  }

View on GitHub (pinned to 94993f7401)

When it happens

Trigger: Thrown at browse/src/browser-manager.ts:799 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of garrytan/gstack@94993f7401 (2026-08-12). Data as JSON: /api/errors/78273b18bca9a7a8. Report an issue: GitHub.