"I'm working on a stored procedure that calculates employee bonuses, but there's a hiccup. Can you pinpoint the error in the code provided?
CREATE PROCEDURE CalculateSalary
@EmployeeID INT,
@BonusPercentage DECIMAL(5, 2) OUTPUT
AS
BEGIN
SELECT INTO @BonusPercentage = Salary * 0.1
FROM Employees
WHERE EmployeeID = @EmployeeID;
END;"
