Почему я получаю эту ошибку в tkinter

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import tkinter as tk
from tkinter import ttk
import mysql.connector

conn = mysql.connector.connect(host='localhost', username='root', password='admin')
my_cursor = conn.cursor()


my_cursor.execute("CREATE DATABASE IF NOT EXISTS EMPLOYEE")
my_cursor.execute("USE EMPLOYEE")
my_cursor.execute("CREATE TABLE IF NOT EXISTS EMPLOYEE_DATA(ID INT PRIMARY KEY AUTO_INCREMENT, NAME VARCHAR(255), SALARY INT)")


def save_data(name, salary):
    query_insert = "INSERT INTO EMPLOYEE_DATA(NAME, SALARY) VALUES(%s, %s)"
    my_cursor.execute(query_insert, (name, salary))
    conn.commit()

def cal_sal(absent, leave, salarydb):
    total_days = 30
    int(salarydb)
    perday = salarydb / 30
    halfday = perday/2
    absent_days = absent*perday
    leave_days = leave*perday

    total_sal = salarydb-(absent_days+leave_days)
    print(total_sal)


# tkinter window-------------------------------------
root = tk.Tk()
root.title("Monthly Pay")
root.geometry('440x550')
root.resizable(0,0)

def reg_new_employee():
    newWindow = tk.Toplevel()
    newWindow.title("Register")
    newWindow.geometry('440x550')
    newWindow.resizable(0, 0)

    lb2 = tk.Label(newWindow, text='NEW ENTRY', font=('Calibri (Body)', 30))
    lb2.pack()

    lbname = tk.Label(newWindow, text='NAME:', font=(10))
    lbname.place(x=10 ,y=80)

    lbname_entry = tk.Entry(newWindow)
    lbname_entry.place(x=110, y=82)

    lbsalary = tk.Label(newWindow, text='SALARY:', font=(10))
    lbsalary.place(x=10, y=120)

    lbsalary_entry = tk.Entry(newWindow)
    lbsalary_entry.place(x=110, y=122)

    btn_save = tk.Button(newWindow, text='SAVE', command= lambda: save_data(lbname_entry.get(), lbsalary_entry.get()))
    btn_save.place(x=180, y=200)

def make_salary():
    win = tk.Toplevel()
    win.title("Make Salary")
    win.geometry('440x550')
    win.resizable(0, 0)

    lb_title = tk.Label(win, text = 'Select Employee: ', font = 10)
    lb_title.place(x = 5, y = 1)

# FETCH DATA TO SELECT EMPLOYEE COMBOBOX FROM DATABASE-----------
    query_fetchdata = "SELECT NAME FROM EMPLOYEE_DATA"
    my_cursor.execute(query_fetchdata)
    vl = tuple([name for name in my_cursor])

    combobox_name = ttk.Combobox(win, width=15, state = 'readonly')
    combobox_name['values'] = vl
    combobox_name.current(0)
    combobox_name.place(x =150 , y = 1)

    lb_p = tk.Label(win, text = 'Present: ', font = 10)
    lb_p.place(x=5, y=200)

    lb_a = tk.Label(win, text = 'Absent: ', font = 10)
    lb_a.place(x=5, y=240)

    lb_h = tk.Label(win, text = 'Leave: ', font = 10)
    lb_h.place(x=5, y=280)

    lb_p_entry = tk.Entry(win)
    lb_p_entry.place(x= 100, y= 200)

    lb_a_entry = tk.Entry(win)
    lb_a_entry.place(x=100, y=240)

    lb_h_entry = tk.Entry(win)
    lb_h_entry.place(x=100, y=280)

##### I'm getting error here
    query_getname = "SELECT salary FROM EMPLOYEE_DATA WHERE NAME= '%s'"
    val = combobox_name.get()
    my_cursor.execute(query_getname, (val,))

    btn_gen_sal = tk.Button(win, text = 'Generate Salary',)
    btn_gen_sal.place(x=180 ,y=450)

lbl = tk.Label(root, text = 'MONTHLY PAY', font = ('Calibri (Body)', 35))
lbl.pack()

btn_new_employee = tk.Button(root, text = 'New Employee', command = lambda: reg_new_employee())
btn_new_employee.place(x=180 ,y=200)

btn_make_salary = tk.Button(root, text = 'Make Salary', command = lambda: make_salary())
btn_make_salary.place(x=180 ,y=290)

root.mainloop()

ОШИБКА:

C:\Users\RISHI\AppData\Local\Programs\Python\Python37\python.exe C:/Users/RISHI/PycharmProjects/untitled/monthy_pay.py
Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Users\RISHI\AppData\Local\Programs\Python\Python37\lib\site-packages\mysql\connector\connection_cext.py", line 489, in cmd_query
    raw_as_string=raw_as_string)
_mysql_connector.MySQLInterfaceError: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'F''' at line 1

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\RISHI\AppData\Local\Programs\Python\Python37\lib\tkinter\__init__.py", line 1705, in __call__
    return self.func(*args)
  File "C:/Users/RISHI/PycharmProjects/untitled/monthy_pay.py", line 116, in <lambda>
    btn_make_salary = tk.Button(root, text = 'Make Salary', command = lambda: make_salary())
  File "C:/Users/RISHI/PycharmProjects/untitled/monthy_pay.py", line 102, in make_salary
    my_cursor.execute(query_getname, (val,))
  File "C:\Users\RISHI\AppData\Local\Programs\Python\Python37\lib\site-packages\mysql\connector\cursor_cext.py", line 266, in execute
    raw_as_string=self._raw_as_string)
  File "C:\Users\RISHI\AppData\Local\Programs\Python\Python37\lib\site-packages\mysql\connector\connection_cext.py", line 492, in cmd_query
    sqlstate=exc.sqlstate)
mysql.connector.errors.ProgrammingError: 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'F''' at line 1

Что я уже пробовал:

Пожалуйста, помогите мне, ребята, а также я новичок в python, поэтому, пожалуйста, объясните простым языком.

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