I am getting the following email from the system. Please advise.
To the Amethyst critical administrator
Amethyst has experienced some critical errors.
Critical errors should be investigated and must never be ignored.
--------------------- CRITICAL ERRORS START HERE ---------------------
[2015-03-18 21:07:41] Version [1.6.5.17]Archive error: Insufficient free space for database on archive drive: I/O error
---------------------- CRITICAL ERRORS END HERE ----------------------