根据报错来看，无法成功连接上数据库，检查一下数据库连接的情况，对应根据数据库日志和server日志进行一下排查
[Z3001] connection to database 'zabbix' failed: [1045] Access denied for user 'zabbix'@'localhost' (using password: NO)
17698:20241023:140714.568 database is down: reconnecting in 10 seconds
系统：ubuntu-releases/24.04.1
| zabbix OS：7.0 |