Maintenance PK bug

In pgAdmin V 1.4.3(Jul 19 2006)

1. Select DB Server
2. Select DB:your_DB_with_PK_in_any_table
3. Select Schemas:public
4. Select Tables:table_with_PK
5. Select Constraints:some_pk
6. Highlight 'some_pk'
7. Press right button on mouse during select 'some_pk'
8. Press 'Maintenance'
9. Select REINDEX and press 'OK'
and receive 'ERROR:  syntax error at or near "PRIMARY" at character 9'
or see serverlog
----------------------
ERROR:  syntax error at or near "PRIMARY" at character 9
STATEMENT:  REINDEX PRIMARY KEY some_pk
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Best regards,Alexander Kirpa