There are many reasons due to which you are unable to fetch the data from your MySQL database. Following are some common causes for this to happen:
Cause 1:
Incorrect database login credentials. It is possible that database login credentials are changed but not updated in the connection string of the config file.
Fix:
You can open your config file, collect the password and reset it for your database user.
Cause 2:
MySQL service is down/unresponsive. When the website is having too many concurrent connections or bumped with lots of traffic.
Fix:
Please restart the MySQL service to fix it.
Cause 3:
Database table corruption. Sometimes table corruption can result into a database connection error.
Fix:
You can repair the corrupted table from cPanel/phpMyAdmin.
Above mentioned are the common causes. However, if you face any error other than these, you can contact us to diagnose it further. Please raise a support ticket.
