Hi,
While this is our IP address, this doesn't mean that there is an error on our end.
Since you've activated the cron task in the HikaShop configuration, our server will periodically send a cron trigger to your website.
There, your HikaShop will launch processes linked to the cron task.
For example, if you've configured the HikaShop rates auto update plugin, this plugin might refresh the currency rates of your HikaShop. Or if you have mass actions with every month, or every day, or every hour or every minute trigger, it might trigger them.
The error you provided in your message indicates that there was a MySQL query error with one of the processes run with the cron task. But that doesn't even mean that there is a bug in HikaShop necessarily. For example, if you create a mass action with a "run a MySQL query" action with an invalid MySQL query provided to the action, it would generate that error.
I would need more information about the error report to be able to say more precisely where the error is or what could be done.