error: (-215:Assertion failed) m.dims >= 2 in function 'Mat'

[yafengg]

Hello, I got an error while running the code. I don't know why. Can you help me? thank you. The error is as follows:

./auto10.sh
maskThr: 0.6
frameskip: 10
refFrameDist: 3
usingColorImage: 1
/home/gyf/SLAM/DataSet/KITTI/mydataset-kitti00/mav0/cam-para.yaml
/home/gyf/SLAM/PaperCode/1/kenki-positioning-vSLAM-master/Vocabulary/ORBvoc.bin

ORB-SLAM2 Copyright (C) 2014-2016 Raul Mur-Artal, University of Zaragoza.
This program comes with ABSOLUTELY NO WARRANTY;
This is free software, and you are welcome to redistribute it
under certain conditions. See LICENSE.txt.

Input sensor was set to: Stereo

Loading ORB Vocabulary. This could take a while...
Vocabulary loaded in 0.32s

Camera Parameters:

• fx: 718.856
• fy: 718.856
• cx: 607.193
• cy: 185.216
• k1: 0
• k2: 0
• p1: 0
• p2: 0
• fps: 10
• color order: RGB (ignored if grayscale)

ORB Extractor Parameters:

• Number of Features: 1200
• Scale Levels: 8
• Scale Factor: 1.2
• Initial Fast Threshold: 20
• Minimum Fast Threshold: 7

Depth Threshold (Close/Far Points): 18.6316

---

Start processing sequence ...
Images in the sequence: 4541

0
MAR:0.060225
New map created with 475 points
1stTrack: 0.235552 seconds !!!
yunxingdaozhe
yunxingdaozhe
10
MAR:0.022310
Motion-only BA: 0.000481991 seconds !!!
1stTrack: 0.0513798 seconds !!!
yunxingdaozhe
yunxingdaozhe
20
MAR:0.054625
Motion-only BA: 0.000175145 seconds !!!
Track lost soon after initialisation, reseting...
1stTrack: 0.0322095 seconds !!!
yunxingdaozhe
yunxingdaozhe
30
MAR:0.063163
1stTrack: 0.0323984 seconds !!!
terminate called after throwing an instance of 'cv::Exception'
what(): OpenCV(3.4.4) /home/gyf/opencv-3.4.4/modules/core/src/matrix.cpp:406: error: (-215:Assertion failed) m.dims >= 2 in function 'Mat'