ERROR 1040&again A pretty common topic in Support tickets is the rather infamous error: ERROR 1040: Too many connections. The issue is pretty self-explanatory: your application/users are trying to create more connections than the server allows, or in other words, the current number of connections exceeds the value of the max_connections variable. This situation on [&]

https://www.percona.com/blog/2019/07/23/connect-to-mysql-after-hitting-error-1040-too-many-connections/