A. 1. Check notification settings: Go to Settings > Notifications > KCL and ensure that notifications are enabled. Also, check if 'Show Previews' is set to 'Always' or 'When Unlocked'.
2. Manually mark notifications: Open the KCL app and navigate to the notifications section. Tap on each notification to mark them as read manually.
B. 3. Reinstall the app: Uninstall KCL and then reinstall it from the App Store. This can reset notification settings and resolve any glitches.