ERROR: text search configuration "pg_catalog.english" does not exist

ALTER TABLE useraccounts_contact ADD COLUMN notes_tsv tsvector;

CREATE TRIGGER tsvectorupdate BEFORE INSERT OR UPDATE ON useraccounts_contact FOR EACH ROW EXECUTE PROCEDURE tsvector_update_trigger(body_tsv, 'pg_catalog.english', notes);

CREATE INDEX useraccounts_contact_entry_tsv ON useraccounts_contact USING gin(notes_tsv);

UPDATE useraccounts_contact SET notes_tsv =to_tsvector(notes);

ERROR:  text search configuration "pg_catalog.english" does not exist

# default configuration for text search

default_text_search_config = 'pg_catalog.english'

Thanks in advance.