error while running face_recog_eigen.py

[priyablue]

OpenCV Error: Unspecified error (File can't be opened for writing!) in load, file /build/opencv-ISmtkH/opencv-2.4.9.1+dfsg/modules/contrib/src/facerec.cpp, line 325 Traceback (most recent call last): File "face_recog_eigen.py", line 76, in recognizer.load_trained_data() File "face_recog_eigen.py", line 24, in load_trained_data self.model.load('eigen_trained_data.xml') cv2.error: /build/opencv-ISmtkH/opencv-2.4.9.1+dfsg/modules/contrib/src/facerec.cpp:325: error: (-2) File can't be opened for writing! in function load

why is this error help me out to sort it out

[priyablue]

will it be automatically generate the xml file or we need to create it with the trained face_train_eigen.py /face_train_fisher.py

Could you make me clear of this doubt