added a 'guest' login mode. added ability for mainView to be any doc, not just a docking collection.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/client/views/topbar/TopBar.tsx b/src/client/views/topbar/TopBar.tsx
index 0bf1575fb..3fc0a237e 100644
--- a/src/client/views/topbar/TopBar.tsx
+++ b/src/client/views/topbar/TopBar.tsx
@@ -26,7 +26,7 @@ import './TopBar.scss';
 @observer
 export class TopBar extends React.Component {
     navigateToHome = () => {
-        CollectionDockingView.Instance.CaptureThumbnail()?.then(() => {
+        CollectionDockingView.Instance?.CaptureThumbnail()?.then(() => {
             Doc.ActivePage = 'home';
             DashboardView.closeActiveDashboard(); // bcz: if we do this, we need some other way to keep track, for user convenience, of the last dashboard in use
         });