Thank you for the info about v16 not supported anymore.
I would like to follow these instructions to update, but I got errors. So tried to backup before upgrading, but I get this message after running Ghost backup :
Debug Information:
OS: Ubuntu, v22.04.1 LTS
Node Version: v16.17.0
Ghost Version: 5.59.4
Ghost-CLI Version: 1.24.2
Environment: production
Command: ‘ghost backup’
Message: Ghost was able to start, but errored during boot with: connect ECONNREFUSED 127.0.0.1:3306
Help: Unknown database error
Suggestion: journalctl -u ghost_lahallebarde-com -n 50
Stack: Error: Ghost was able to start, but errored during boot with: connect ECONNREFUSED 127.0.0.1:3306
at Server. (/usr/lib/node_modules/ghost-cli/lib/utils/port-polling.js:73:28)
at Object.onceWrapper (node:events:627:28)
at Server.emit (node:events:513:28)
at emitCloseNT (node:net:1820:8)
at processTicksAndRejections (node:internal/process/task_queues:82:21)
Does anybody is facing the same problem ?