cant reference sport CHAR(6) to other column error - sql

Question

As the title says, for some reason it gives me the error that the sport variable cant reference to another column when I am not even referencing it, any reason for this?
CREATE TABLE club_rates
(club_id NUMBER(4)
CONSTRAINT rates_club_fk REFERENCES club_subscriptiontypes(club_id,subscriptiontype)
,sport CHAR(6)
,subscriptiontype CHAR(11)
,subscription_startdate DATE
,subscription_rate_existing NUMBER(2)
,subscription_rate_new NUMBER(2)
,subscription_enddate DATE
,registration_startdate DATE
,registration_enddate DATE,
CONSTRAINT rates_clubsportsub_pk PRIMARY KEY (club_id, sport, subscriptiontype, subscription_startdate)
);

Answer 1

Assuming you have the table:
CREATE TABLE club_subscriptiontypes(
club_id NUMBER(4),
subscriptiontype CHAR(11),
PRIMARY KEY (club_id,subscriptiontype)
);
Then you do not want to declare a composite primary key column inline against a single column or you get the error:
ORA-02256: number of referencing columns must match referenced columns
Instead, declare it out-of-line at the end of the statement:
CREATE TABLE club_rates(
club_id NUMBER(4)
, sport CHAR(6)
, subscriptiontype CHAR(11)
, subscription_startdate DATE
, subscription_rate_existing NUMBER(2)
, subscription_rate_new NUMBER(2)
, subscription_enddate DATE
, registration_startdate DATE
, registration_enddate DATE
, CONSTRAINT rates_club_fk
FOREIGN KEY (club_id, subscriptiontype)
REFERENCES club_subscriptiontypes(club_id,subscriptiontype)
, CONSTRAINT rates_clubsportsub_pk
PRIMARY KEY (club_id, sport, subscriptiontype, subscription_startdate)
);
As an aside, you probably don't want to use fixed-length CHAR strings and, instead, want variable-length VARCHAR2 strings.
db<>fiddle here