Software error:

DBD::Pg::st execute failed: ERROR:  duplicate key violates unique constraint "flags_pkey"
 [for Statement "INSERT INTO flags ( type_id, 
                                    bug_id, attach_id, 
                                    requestee_id, setter_id, status, 
                                    creation_date, modification_date)
                VALUES (16, 
                        151568, 
                        NULL,
                        19562,
                        202062,
                        '?', 
                        '2006-08-15 16:04:50.597037-04',
                        '2006-08-15 16:04:50.597037-04')"] at Bugzilla/DB.pm line 71
	Bugzilla::DB::SendSQL('INSERT INTO flags ( type_id, \x{a}                               ...') called at Bugzilla/Flag.pm line 489
	Bugzilla::Flag::create('HASH(0x1807840)', '\'2006-08-15 16:04:50.597037-04\'') called at Bugzilla/Flag.pm line 409
	Bugzilla::Flag::process('HASH(0x1809a10)', '2006-08-15 16:04:50.597037-04', 'Bugzilla::CGI=HASH(0x154d4b0)') called at /var/www/html/bugzilla/process_bug.cgi line 2294

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