oracle 11g – PL SQL has an error when compiling a procedure

create or replace PROCEDURE "AFTER_INSERT_INTO_TICKETS" (
    p_Book_Number in Number,
    p_Employee_Number in Number
)
as
   v_Ticket_Count NUMBER;
   v_Book_Issued_Date DATE;
BEGIN
    SELECT COUNT(*) INTO v_TICKET_COUNT FROM TICKETS WHERE BOOK_NUMBER = p_Book_Number;
    SELECT ISSUED_DATE INTO v_Book_Issued_Date FROM BOOK WHERE BOOK_NUMBER = p_Book_Number;


    IF  ((v_Book_Issued_Date < TO_DATE('2020-07-06', 'YYYY-MM-DD') AND v_Ticket_Count = 50) OR (v_Book_Issued_Date => TO_DATE('2020-07-06', 'YYYY-MM-DD') AND v_Ticket_Count = 25)) THEN
        DELETE FROM ABC.TICKETS
        WHERE BOOK_NUMBER = p_Book_Number;

        Commit;

        UPDATE ABC.BOOK
        SET BOOK_STATUS = 'C',
        BOOK_LAST_SCAN_MODE = 'I',
        BOOK_TICKET_COUNT = 0,
        BOOK_LAST_SCAN_DATE = SYSDATE,
        DATE_LAST_UPDATE = SYSDATE,
        EMPLOYEE_NUMBER = p_Employee_Number,
        CLOSED_FLAG = 'A'
        WHERE BOOK_NUMBER = p_Book_Number;

        Commit;

    ELSE
        IF(v_Book_Issued_Date < TO_DATE('2020-07-06', 'YYYY-MM-DD')) THEN
            UPDATE ABC.BOOK        
            SET BOOK_TICKET_COUNT = (50- v_Ticket_Count),
            DATE_LAST_UPDATE = SYSDATE
            WHERE BOOK_NUMBER = p_Book_Number;
        ELSE
            UPDATE ABC.BOOK        
            SET BOOK_TICKET_COUNT = (25- v_Ticket_Count),
            DATE_LAST_UPDATE = SYSDATE
            WHERE BOOK_NUMBER = p_Book_Number;
            Commit;
        END IF;
    END IF;

END;

My PL SQL keeps saying there is an error on line 13 but I can;’t figure out what it is

Error in console is PL/SQL 00320
and PL/SQL Statement ignored