Urgent! My Websites' Databases Disappeared from MariaDB

Hello,

I’m currently experiencing an issue with my CyberPanel installation where my websites’ databases have disappeared from MariaDB. Here is the output from running SHOW DATABASES;:

+--------------------+
| Database           |
+--------------------+
| cyberpanel         |
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
5 rows in set (0.001 sec)

The databases for my websites are missing.

mariadb-check -u root -p --auto-repair --all-databases
mysql.gtid_slave_pos
Error    : Table 'mysql.gtid_slave_pos' doesn't exist in engine
status   : Operation failed
mysql.innodb_index_stats
Error    : Table 'mysql.innodb_index_stats' doesn't exist in engine
status   : Operation failed
mysql.innodb_table_stats
Error    : Table 'mysql.innodb_table_stats' doesn't exist in engine
status   : Operation failed
mysql.transaction_registry
Error    : Table 'mysql.transaction_registry' doesn't exist in engine
status   : Operation failed

The cyberpanel shows Server Error (500), and wordpress websites Error establishing a database connection

I would appreciate any guidance or suggestions on how to resolve this issue and recover my missing databases. Thank you in advance for your help!

How did this issue with CyberPanel throwing 500 error come about?
This looks like a corruption of your CyberPanel install including mariadb.

Did this occur after elevation?

If your dbs are not showing up, then they are most likely deleted.
Do you have db backups?