Software Error

Message:

Error in get_event_by_id
1: Can't create/write to file 'C:\Windows\TEMP\#sql_7cc_0.MYD' (Errcode: 13)
SQL query: (SELECT phpc_events.*,
DATE_FORMAT(phpc_events.startdate,'%Y') AS year,
DATE_FORMAT(phpc_events.startdate,'%m') AS month,
DATE_FORMAT(phpc_events.startdate,'%d') AS day,
DATE_FORMAT(phpc_events.enddate,'%Y') AS end_year,
DATE_FORMAT(phpc_events.enddate,'%m') AS end_month,
DATE_FORMAT(phpc_events.enddate,'%d') AS end_day,
phpc_users.realname,
phpc_events.tel
FROM phpc_events
LEFT JOIN phpc_users
ON (phpc_events.uid = phpc_users.uid)
WHERE phpc_events.id = '22619'
AND phpc_events.calendar = '0')
		union 
		(SELECT phpc_events_other.*,
DATE_FORMAT(phpc_events_other.startdate,'%Y') AS year,
DATE_FORMAT(phpc_events_other.startdate,'%m') AS month,
DATE_FORMAT(phpc_events_other.startdate,'%d') AS day,
DATE_FORMAT(phpc_events_other.enddate,'%Y') AS end_year,
DATE_FORMAT(phpc_events_other.enddate,'%m') AS end_month,
DATE_FORMAT(phpc_events_other.enddate,'%d') AS end_day,
phpc_users.realname,
phpc_events_other.tel
FROM phpc_events_other
LEFT JOIN phpc_users
ON (phpc_events_other.uid = phpc_users.uid)
WHERE phpc_events_other.id = '22619'
AND phpc_events_other.calendar = '0')
		;