Unable to upload a mp4 wallpaper

Describe the bug

unable to upload own video

Steps to reproduce

i tried putting a 30 sec, 30fps and compressed video, also tried with gifs and it wont let me

Expected behavior

let me upload wallpoper ;w;

Screenshots/Video

Operating system

Windows 11 Pro 25H2

Wallpaper running at the time (if any)

No response

Additional context

No response

Log file

lively_log_20260705_223216.zip