Error when create contactgroup (PostgreSQL)

[ghost]

MDB2 Error: unknown error (-1): _doQuery: [Error message: Could not execute statement]\n[Last executed query: SELECT currval('contactgroups')]\n[Native message: ERROR:  "contactgroups" is not a sequence]\n, referer: https://www.example.net/webmail/?_task=addressbook

--- pgsql.php   2012-11-21 12:27:47.879167352 +0400
+++ pgsql.fixed.php 2012-11-21 12:59:24.342982191 +0400
@@ -1122,10 +1122,11 @@
      */
     function lastInsertID($table = null, $field = null)
     {
-        if (empty($table) && empty($field)) {
+        if (empty($table)) {
             return $this->queryOne('SELECT lastval()', 'integer');
         }
-        $seq = $table.(empty($field) ? '' : '_'.$field);
+        // Sequence defined in postgres.initial.sql at line 124
+        $seq = $table.'_ids';
         $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq), true);
         return $this->queryOne("SELECT currval('$sequence_name')", 'integer');
     }