pg_restore problems

[Bobby Gontarski <Gontarski@xxxxxxxxx>]

I do:
pg_dump -Ft mydb > mydb.tar
pg_restore -d newdb mydb.tar
and I get tuns of errors. Like:
pg_restore: [archiv߰ (db)] could not execute query: ERROR: relation "pg_ts_cfg map" already exists
Command was: CREATE TABLE pg_ts_cfgmap (
ts_name text NOT NULL,
tok_alias text NOT NULL,
dict_name text[]
what is the problem, why can't I restore the db... (postgresql 8.1)
bobby