Facing Problems With Upgrading to Magento 2.2.4?

Magento has recently released it’s newest version of Magento 2.2.4. Now, most of you would have tried to upgrade but have found that they are facing problems in upgrading to Magento 2.2.4 with errors like; the area is already set or sometimes the MySQL server has gone away. Here is an example below of one such error when developers are attempting to save the theme setting.