musistudio/claude-code-router · error · Error

Browser tab was not found.

Error message

Browser tab was not found.

What it means

Error "Browser tab was not found." thrown in musistudio/claude-code-router.

Source

Thrown at packages/electron/src/main/built-in-browser.ts:257

    const tab = this.createTab(url);
    const { view: _view, ...state } = tab;
    return state;
  }

  selectAutomationTab(tabId: string): BuiltInBrowserState {
    this.selectTab(tabId);
    return this.getState();
  }

  closeAutomationTab(tabId: string): BuiltInBrowserState {
    this.closeTab(tabId);
    return this.getState();
  }

  async navigateAutomationTab(url: string, tabId?: string): Promise<BuiltInBrowserState> {
    const tab = this.getTab(tabId);
    if (!tab) {
      throw new Error("Browser tab was not found.");
    }

    const nextUrl = normalizeBrowserUrl(url);
    tab.url = nextUrl;
    if (tab.id === this.activeTabId) {
      this.layoutActiveView();
    }
    this.sendState();
    void tab.view.webContents.loadURL(nextUrl).catch((error) => {
      this.emitAutomationEvent({
        kind: "page.load_failed",
        summary: `Navigation request failed: ${formatError(error)}`,
        tabId: tab.id,
        title: tab.title,
        url: nextUrl
      });
    });
    this.emitAutomationEvent({

View on GitHub (pinned to 99f24806c6)

When it happens

Trigger: Thrown at packages/electron/src/main/built-in-browser.ts:257 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of musistudio/claude-code-router@99f24806c6 (2026-08-27). Data as JSON: /api/errors/8faf5835de24cb36. Report an issue: GitHub.