Launching Guided Access

Before you launch guided access, make sure that you first go into the application (with pictures enabled) go to take a picture, it will ask if the app can access the camera, click Ok and take a photo. Then click Use Photo, the app will then ask to access the library, click Ok again. This now allows the app access to both of these needed items. You can then close out the app and reopen it then turn on Guided Access by following the steps below.

Go to settings