Cannot upload .mp4 file

I get the following error when I am trying to upload the frames from a recorded video in format .mp4. The video comes from a high speed camera.

Any idea what the issue is? I have upoaded these videos before and it worked, but i can't remember if I had to decode them or not beforehand. I can' even open them in VLC media player.

Error using VideoReader/initReader
Could not read file due to an unexpected error. Reason: Error
Creating Source Reader Reason: The operation on the current
offset is not permitted.

Error in audiovideo.internal.IVideoReader (line 136)
            initReader(obj, fileName, currentTime);

Error in VideoReader (line 104)
            [e-mail](varargin{:});

Error in upload_frames (line 5)
vidObj = VideoReader("test.mp4");

[Cris LaPierre]

Check out the discussion in this answer for ideas of what to look into: https://www.mathworks.com/matlabcentral/answers/1910805-linux-mint-ubuntu-matlab-2022b-videoreader-initreader-could-not-read-file-due-to-an-unexpected-err

Answer 1

[Happy PhD]

I needed to reformat my disk and then it worked.