Based on the limited information on your setup, I’m assuming this instance is running on your laptop and it went to sleep and tried to come back… I’m assuming you’ve tried to reboot the device and the DB didn’t come back online, even after a few minutes.
It must be an issue with the index of MariaDB. There is a script for this and you can read about it here: https://wiki.netyce.com/doku.php/general:tools:mysql_repair.sh
This requires to have CLI (console/ssh) access to the netyce server. Log in as the yce user and run the script.
In case you haven’t restored your CLI access I suggest to download a new image, which has been recently updated.
Let me know if there is anything else I can help you with.