These are 2 from today:
[20-May-2013 12:41:42 CST6CDT] MDB2 Error: constraint violation (-3): _doQuery: [Error message: Could not execute statement]
[Last executed query: EXECUTE mdb2_statement_mysql_4c0f9e1ce0895f928d62c3d2b529d3a2c9c9d37e9 USING @0, @1, @2]
[Native code: 1062]
[Native message: Duplicate entry '9iob6st16nf6f5co1t9g22s5a5' for key 'PRIMARY']
[20-May-2013 12:41:42 -0500]: DB Error: MDB2 Error: constraint violation Query: _doQuery: [Error message: Could not execute statement] [Last executed query: EXECUTE mdb2_statement_mysql_4c0f9e1ce0895f928d62c3d2b529d3a2c9c9d37e9 USING @0, @1, @2] [Native code: 1062] [Native message: Duplicate entry '9iob6st16nf6f5co1t9g22s5a5' for key 'PRIMARY'] in /home/mme/public_html/VALUED-USERS-AREA/program/include/rcube_mdb2.php on line 727 (GET /VALUED-USERS-AREA/?_task=mail&_action=check-recent&_mbox=INBOX&_list=1&_quota=1&_remote=1&_unlock=0&_=1369071700808)