The Shortcut items that I saved to my Home Screen stopped working. A reasonable suggestion mentioned performing a “Force Restart.” I tried this and the Shortcut item started working again. From the apple website (https://tinyurl.com/3zfkjcyr) described this clearly.
Press and quickly release the Volume up button
Press and quickly release the Volume Down button
Press and hold the “Side” button UNTIL the Apple Logo shows up (about 15 seconds)