This issue occured 2 days ago.
message received is:
I am still becoming familiar with this phone but have used samsung android on previous phone. I'm not aware of updating or changing anything recently.
Please go to Settings
Select Applications / Manage Apps
Select Manage Applications
Select Camera and/or Android Camera
Select Force Stop and Clear Data
Turn your device off and back on.
Test your camera.
Select Google Services Framework
Select Clear Data.
Please let me know if these methods worked out for you. Thank you.