We all like when error messages are descriptive and give a clear idea about what is happening; however, there are some cases when a few possible reasons lay behind one error message. MySQL server has gone away is one of them. Most of the cases when the error occurs are described in MySQL documentation, but [&]

https://www.percona.com/blog/2020/09/25/diagnosing-and-fixing-mysql-server-has-gone-away-messages/