Did my DB get hacked?

[rgamill]

I got following db error few hours ago:

Database error in vBulletin 3.8.1:

Invalid SQL:

INSERT INTO adv_dyna_extcache
(exthash, output, dateline)
VALUES (
'd05d76b6dee3995dd85f2df11d023039',
'<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\r\n<rss version=\"2.0\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:syn=\"http://purl.org/rss/1.0/modules/syndication/\" xmlns:admin=\"http://webns.net/mvcb/\" xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n <channel>\n ........[trancated]

MySQL Error : Duplicate entry 'd05d76b6dee3995dd85f2df11d023039' for key 'PRIMARY'
Error Number : 1062
Request Date : Tuesday, November 30th 2010 @ 10:13:17 AM
Error Date : Tuesday, November 30th 2010 @ 10:13:18 AM
Script : http://www.mysite.com/dynamics/external.php?userids=2
Referrer : http://www.mysite.com/dynamics/showentry.php?e=75
IP Address : 82.145.210.156
Username : Unregistered
Classname : vB_Database
MySQL Version :

I never had this error before. Can somebody please tell me what was it and what should I do?

[Brian]

No, your database was not hacked. It looks like Dynamics was trying to generate the RSS feed page and somehow a duplicate hash was created. It's nothing to worry about as long as you don't continue to receive those errors.

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[rgamill]

Thank you, Brian, for your help. I was really worried about it.