i'm getting this device issue

[Vishal Ahirwar]

Every time I start the server i'm getting this error sometimes 'T', 'a', 'm' etc.
D |2023-05-07 15:53:19 1683454999909082| Server:Running on port 8000...
E |2023-05-07 15:53:42 1683455022766530| V4L-Grabber:Cannot identify 'T': No such file or directory (2)
E |2023-05-07 15:53:45 1683455025176737| V4L-Grabber:Cannot identify 'T': No such file or directory (2)

[Vishal Ahirwar]

i'm developing a video call app which can work on high ping especially for weak internet connection area;

[Vishal Ahirwar]

And I choose C++ for that because I have good experience with this programming language over more than 2 years