File seems to be corrupted invalid

I uploaded an .mp4 video from my SONY FDR-X3000 4K Action Cam.
It's 1 gigabyte.
When I drag it into the program, an error appears (File seems to be corrupted/invalid).
But my videos are 100% working.

<img width="589" height="656" alt="Image" src="https://github.com/user-attachments/assets/118c7598-222e-4301-9ceb-7c9af5c3c1af" />