Error with Image OpenCV(4.8.1)

[Cheety]

any idea what's wrong? i get this after image upload

` main - ERROR - Error in engine: Failed to modify image: OpenCV(4.8.1) /io/opencv/modules/imgproc/src/imgwarp.cpp:2729: error: (-215:Assertion failed) src.cols >0 && src.rows > 0 in function 'warpAffine'

2024-11-23 23:47:44,251 - main - ERROR - Full traceback:
Traceback (most recent call last):
File "/workspace/FacePoke/engine.py", line 209, in transform_image
mask_ori = await asyncio.to_thread(prepare_paste_back,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/asyncio/threads.py", line 25, in to_thread
return await loop.run_in_executor(None, func_call)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/concurrent/futures/thread.py", line 58, in run
result = self.fn(*self.args, **self.kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/workspace/FacePoke/liveportrait/utils/crop.py", line 402, in prepare_paste_back
mask_ori = _transform_img(mask_crop, crop_M_c2o, dsize)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/workspace/FacePoke/liveportrait/utils/crop.py", line 33, in _transform_img
return cv2.warpAffine(img, M[:2, :], dsize=_dsize, flags=flags)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^`