Hi if you are facing the same problem that I have a solution for you.
"An error occured: 608. Contact customer service." This pop-up message showing in only realme phones for some system errors and system apps error. Now follow the steps for solution and get fixed.
Trick no.1
Go to the settings > Then click on the System settings or Additional settings > Click on the backup and reset option > click on erase all data (fectory reset) > Now click on the reset system settings only.
Trick no 2
Go to the settings > Then click on the System settings or Additional settings > Click on the backup and reset option > click on erase all data (fectory reset) > Now click on the reset Network settings .
Trick no 3
Go to settings > system settings >Reset > reset network settings
Then restart your phone.
After restart go to
Settings> apps > apps management > select camera storage > clear cache and clear data.
The all trick worked on different phones like realme 8, 7, 9 and others, apply all tricks to get resolved your issue. Because maybe one trick not work on your phone. And after applying the trick if anything happened with your phone, I will not be responsible so do carefully.