Thank you for your response.
But I want how to check the logs if I will get an error..
Actually more executing lines will be there in logs , how to Know which line is related to which process?
Plz if you are having any material/doc /site /video link .plz provide..
Troubleshooting process for application, package, software updates.
Explanation of troubleshooting with logs.
How to do troubleshooting if you will get any error after deployment.