Exception in Tkinter callback
Traceback (most recent call last):
File "/usr/lib/python3.8/tkinter/__init__.py", line 1892, in __call__
return self.func(*args)
File "app-gui.py", line 209, in openwebcam
main_app(self.controller.active_name)
File "/home/raghav/Documents/FaceRecognition-GUI-APP/Detector.py", line 10, in main_app
recognizer.read(f"./data/classifiers/{name}_classifier.xml")
cv2.error: OpenCV(4.2.0) /io/opencv_contrib/modules/face/src/facerec.cpp:61: error: (-2:Unspecified error) File can't be opened for reading! in function 'read'