Materialized view

[teqmem]

Hello,

Has anyone successfully implemented an updatable materialized view in Oracle 9.x? I'm trying to follow a Oracle Metalink doc 123560.1 but running into a problem with this statement on the snapshot site:

  BEGIN
     DBMS_REPCAT.CREATE_SNAPSHOT_REPGROUP(
       gname => '"GROUPA"',
       master => 'LINC-DEV2.WORLD',
       propagation_mode => 'ASYNCHRONOUS');
  END;
/

This statement always comes back with:

ORA-23313: object group "PUBLIC"."GROUPA" is not mastered at LINC-DEV2.WORLD

At the beginning at the doc, I successfully executed the following on the master site:

  BEGIN
     DBMS_REPCAT.CREATE_MASTER_REPGROUP(
       gname => '"GROUPA"',
       qualifier => '',
       group_comment => '');
  END;
/

Thank you.