OPTION 1): Simply update the KKTV News App. The following steps are provided by Apple Support:
HOW TO GET THE KKTV 11 NEWS APP WORKING AGAIN:
How to manually update apps on your iPhone or iPad
-Tap your profile icon at the top of the screen.
-Open the App Store.
-Scroll to see pending updates and release notes. Tap Update next to an app to update only that app, or tap Update All.
OPTION 2): Remove the KKTV App and download it again.
-Touch and hold the app.
-Tap Remove App Remove App icon -Tap Delete App, then tap Delete to confirm.