Cannot add foreign key constraint - MySQL

CREATE TABLE salespeople
(sid int not null auto_increment,
sname text not null,
comm decimal(5,5),
primary key (sid)) 
engine = InnoDB Default charset = utf8;
INSERT INTO salespeople
(sid, sname, comm) VALUES
(1, "Ivan Jadov", "0.12"),
(2, "Fedor Zahapov", "0.15"),
(3, "Maxim Petrov", "0.14"),
(4, "Alisa Tir", "0.12");
CREATE TABLE categories
(pcategory_id int not null auto_increment,
pcname text not null,
primary key (pcategory_id))
engine = InnoDB Default charset = utf8;
INSERT INTO categories 
(pcategory_id, pcname) VALUES
(1, "Kettles"),
(2, "Microwaves"),
(3, "Televisions");
CREATE TABLE products
(pid int not null auto_increment,
pbrand text,
pcategory_id int,
pname text,
pquantity int,
pcost decimal (15,2),
primary key (pid),
foreign key(pcategory_id) references categories(pcategory_id)
ON UPDATE CASCADE)
engine = InnoDB Default charset = utf8;
INSERT INTO products 
(pid, pbrand, pcategory_id, pname, pquantity, pcost) VALUES
(1, "Samsung", 1, "Exhaust", 3, "650.5"),
(default, "Samsung", 1, "Fountain", 5, "790.0"),
(default, "Black mesa", 2, "Black mesa-1", 7, "2200.0"),
(default, "Black mesa", 3, "Emitter-3", 9, "9000.0");
CREATE TABLE orders
(oid int not null auto_increment,
odate DATE,
amt DECIMAL(15,2),
pid int,
sid int,
primary key(oid),
foreign key(pid) references products(pid)
ON DELETE CASCADE ON UPDATE CASCADE,
foreign key(sid) references salespeople(sid)
ON DELETE CASCADE ON UPDATE CASCADE) 
engine = InnoDB Default charset = utf8;
INSERT INTO orders
(oid, odate, amt, pid, sid) VALUES
(default, "2009-09-1", "650.5", 1, 1),
(default, "2009-09-10", "790.0", 2, 2),
(default, "2009-10-1", "2200.0", 3, 3),
(default, "2009-11-15", "9000.0", 4, 1),
(default, "2009-12-4", "650.5", 1, 2);