Attempt to log into SolusVM web interface fails: There seems to have been a slight problem with our database, please try again later.

Symptoms 

Attempt to log into SolusVM web interface fails:

CONFIG_TEXT: There seems to have been a slight problem with our database, please try again later.

Resolution

Here is a list of troubleshooting steps that should fix most common issues that causes this error:

1. Ensure you have free space on the root partition '/' on the Master Server:

   # df -h

2. Make sure that database server is running on the master:

   # systemctl status mariadb.service

3. Create a backup of SolusVM database and run repair script:

   # /scripts/database-repair