Error on line 75 in file /system/libraries/Activerecord/drivers/mysql.php

Point of failure:
VC_ActiverecordDriver::connect()

Message:
SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

Trace:
0. VC_Events->fire
1. VC_EventsCallback->execute
2. Plugin_Stores->initialize
3. Plugin_Stores->load_by_url
4. VC_ActiverecordDriver->find
5. VC_ActiverecordDriver->connect