ui/component/viewers/videoViewer/internal/videojs.jsx

@@ -296,6 +296,7 @@ export default React.memo<Props>(function VideoJs(props: Props) {
     // as the listener to update static texts.
     const player = playerRef.current;
     if (player) {
+      try {
         const controlBar = player.getChild('controlBar');
         switch (e.type) {
           case 'play':
@@ -335,6 +336,10 @@ export default React.memo<Props>(function VideoJs(props: Props) {
             if (isDev) throw Error('Unexpected: ' + e.type);
             break;
         }
+      } catch {
+        // Just fail silently. It'll just be due to hidden ctrls, and if it is
+        // due to control hierarchy change, we'll notice that in the GUI.
+      }
     }
   }