Got an email that Cron has failed (I haven't set any)

[happyhardik]

Cron <admin@serverName> sudo /usr/local/vesta/bin/v-update-sys-queue disk

Error: Connection failed
/usr/local/vesta/func/main.sh: line 55: [: 15 2014-09-13 02:15:05 v-update-database-disk admin admin_default : integer expression expected
Error: Connection failed
/usr/local/vesta/func/main.sh: line 55: [: 15 2014-09-13 02:15:05 v-update-database-disk admin admin_svnadmin : integer expression expected
Error: Connection failed
/usr/local/vesta/func/main.sh: line 55: [: 15 2014-09-13 02:15:05 v-update-database-disk admin admin_project : integer expression expected
Error: Connection failed
/usr/local/vesta/func/main.sh: line 55: [: 15 2014-09-13 02:15:05 v-update-database-disk admin admin_demo : integer expression expected

What does this mean? Is the server down or out of memory or something? Any help is appreciated...

[imperio]

I think vesta cant access to your mysql server