Run time error

[SAMIR672160]

C:\Users\samir\PycharmProjects\mouse\venv\Scripts\python.exe C:/Users/samir/PycharmProjects/mouse/AiVirtualMouse.py
INFO: Created TensorFlow Lite XNNPACK delegate for CPU.
[ WARN:0@16.873] global D:\a\opencv-python\opencv-python\opencv\modules\videoio\src\cap_msmf.cpp (1752) CvCapture_MSMF::grabFrame videoio(MSMF): can't grab frame. Error: -2147483638
Traceback (most recent call last):
File "C:/Users/samir/PycharmProjects/mouse/AiVirtualMouse.py", line 23, in
img = detector.findHands(img)
File "C:\Users\samir\PycharmProjects\mouse\HandTrackingModule.py", line 22, in findHands
imgRGB = cv2.cvtColor(img, cv2.COLOR_BGR2RGB) # converting to RGB bcoz hand recognition works only on RGB image
cv2.error: OpenCV(4.5.5) D:\a\opencv-python\opencv-python\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor'

[ WARN:0@17.203] global D:\a\opencv-python\opencv-python\opencv\modules\videoio\src\cap_msmf.cpp (539) `anonymous-namespace'::SourceReaderCB::~SourceReaderCB terminating async callback

Process finished with exit code 1