Exception in Tkinter callback
Traceback (most recent call last):
File "C:\Users\appuc\AppData\Local\Programs\Python\Python311\Lib\tkinter__init.py", line 1948, in call__
return self.func(*args)
^^^^^^^^^^^^^^^^
File "D:\FRBAS\AMSRun.py", line 432, in Fillattendances
fileName = "Attendance/" + Subject + "" + date + \
^^^^^^^
NameError: name 'Subject' is not defined
Exception in Tkinter callback Traceback (most recent call last): File "C:\Users\appuc\AppData\Local\Programs\Python\Python311\Lib\tkinter__init.py", line 1948, in call__ return self.func(*args) ^^^^^^^^^^^^^^^^ File "D:\FRBAS\AMSRun.py", line 432, in Fillattendances fileName = "Attendance/" + Subject + "" + date + \ ^^^^^^^ NameError: name 'Subject' is not defined
pls help me to slove this error