I hope somebody can help me figure out what is going on.

I am getting the fatal error below. The store has been running for a couple of months, but I just I started seeing this error last week (twice) after I was prompted in admin to clear the activity logs and cleared them, but I don't see how this problem could be related. I also added images to the store and updated the products using EasyPopulate.

Any help would be greatly appreciated.


PHP Fatal error: 1062uplicate entry '8340eefadcffec0bed57ed979efd37a7' for key 'PRIMARY' :: insert into xx_sessions
values ('8340eefadcffec0bed57ed979efd37a7', '1366913351', 'c2VjdXJpdHlUb2tlbnxzOjMyOiI3YTkwZTk0YTQzNDFiMmFmNWIxYzI5YjUwOTgwNDk0YSI7Y3VzdG9 tZXJzX2hvc3RfYWRkcmVzc3xzOjQ3OiIxNzMtOS02MS0yNDEtTmV3RW5nbGFuZC5oZmMuY29tY2FzdGJ 1c2luZXNzLm5ldCI7Y2FydElEfHM6MDoiIjtjYXJ0fE86MTI6InNob3BwaW5nQ2FydCI6Nzp7czo4OiJ jb250ZW50cyI7YTowOnt9czo1OiJ0b3RhbCI7aTowO3M6Njoid2VpZ2h0IjtpOjA7czoxMjoiY29udGV udF90eXBlIjtiOjA7czoxODoiZnJlZV9zaGlwcGluZ19pdGVtIjtpOjA7czoyMDoiZnJlZV9zaGlwcGl uZ193ZWlnaHQiO2k6MDtzOjE5OiJmcmVlX3NoaXBwaW5nX3ByaWNlIjtpOjA7fW5hdmlnYXRpb258Tzo xNzoibmF2aWdhdGlvbkhpc3RvcnkiOjI6e3M6NDoicGF0aCI7YToxOntpOjA7YTo0OntzOjQ6InBhZ2U iO3M6MTI6InByb2R1Y3RfaW5mbyI7czo0OiJtb2RlIjtzOjM6IlNTTCI7czozOiJnZXQiO2E6Mjp7czo 1OiJjUGF0aCI7czoxOiIxIjtzOjExOiJwcm9kdWN0c19pZCI7czozOiIxOTkiO31zOjQ6InBvc3QiO2E 6MDp7fX19czo4OiJzbmFwc2hvdCI7YTo0OntzOjQ6InBhZ2UiO3M6MTI6InByb2R1Y3RfaW5mbyI7czo 0OiJtb2RlIjtzOjM6IlNTTCI7czozOiJnZXQiO2E6Mjp7czo1OiJjUGF0aCI7czoxOiIxIjtzOjExOiJ wcm9kdWN0c19pZCI7czozOiIxOTkiO31zOjQ6InBvc3QiO2E6MDp7fX19Y2hlY2tfdmFsaWR8czo0OiJ 0cnVlIjtsYW5ndWFnZXxzOjc6ImVuZ2xpc2giO2xhbmd1YWdlc19pZHxzOjE6IjEiO2xhbmd1YWdlc19 jb2RlfHM6MjoiZW4iO2N1cnJlbmN5fHM6MzoiVVNEIjt0b2RheV9pc3xzOjEwOiIyMDEzLTA0LTI1Ijt 1cGRhdGVFeHBpcmF0aW9uc3xiOjE7c2Vzc2lvbl9jb3VudGVyfGI6MTtjdXN0b21lcnNfaXBfYWRkcmV zc3xzOjEyOiIxNzMuOS42MS4yNDEiOw==') in /home/vg011web01/41/75/1017541/web/store/includes/classes/db/mysql/query_factory.php on line 120


I am running Zen Cart 1.5.1, with UPS shipping module, Sage Payment Module, TaxCloud.