My camera isn’t working because of this

Hello,

See these steps:

1) Restart the phone

2) See this: If the camera or flash on your iPhone, iPad, or iPod touch isn't working

3) Have it checked: Apple - Find Locations

Good luck.

Force restart an iPhone with Face ID

To force restart iPhone X, iPhone XS, iPhone XR, iPhone 11, iPhone 12, or iPhone 13, do the following:

Press and quickly release the volume up button, press and quickly release the volume down button, then press and hold the side button. When the Apple logo appears, release the button.