If you see an error on your iPhone, iPad, or iPod touch that says
There was a problem with this download. Please check your network connection and try again. (10023-1200)
It typically points to information stored on the device that needs to be refreshed. Follow the troubleshooting steps below to resolve the issue.
Tap the Settings icon on the Home screen.
Tap Date & Time.
If the date and time are incorrect, tap either the date or time to adjust them, or simply toggle the Set Automatically field to On.