backscrub: (-215:Assertion failed) sz.width % 2 == 0 && sz.height % 3 == 0 in function 'CvtHelper'

This is the output of ./deepseg -d -d -c /dev/video0 -v /dev/video1:

deepseg v0.2.0
(c) 2021 by floe@butterbrot.org
https://github.com/floe/deepbacksub
debug:  2
ccam:   /dev/video0
vcam:   /dev/video1
width:  640
height: 480
flip_h: no
flip_v: no
threads:2
back:   (none)
model:  models/segm_full_v679.tflite

vid_format->type                = 2
vid_format->fmt.pix.width       = 640
vid_format->fmt.pix.height      = 480
vid_format->fmt.pix.pixelformat = 1448695129
vid_format->fmt.pix.sizeimage   = 614400
vid_format->fmt.pix.field       = 1
vid_format->fmt.pix.bytesperline= 1280
vid_format->fmt.pix.colorspace  = 8

tensor #0: 1
tensor #0: 144
tensor #0: 256
tensor #0: 3
tensor #244: 1
tensor #244: 144
tensor #244: 256
tensor #244: 2
Invalid MIT-MAGIC-COOKIE-1 keyQSettings::value: Empty key passed
QSettings::value: Empty key passed
terminate called after throwing an instance of 'cv::Exception'
  what():  OpenCV(3.4.9) /home/abuild/rpmbuild/BUILD/opencv-3.4.9/modules/imgproc/src/color.simd_helpers.hpp:104: error: (-215:Assertion failed) sz.width % 2 == 0 && sz.height % 3 == 0 in function 'CvtHelper'

Thanks in advance!