Pas de clip intermédiaire

Bonjour, je reçois le message d’erreur ci dessous lorsque je veux convertir un clip en intermédiaire. Pourriez vous svp me le déchiffrer et m’indiquer ce qui fait que cela ne fonctionne pas … Merci pour vos retours.

[h264_nvenc @ 000001fcdc6be500] No capable devices found

[vost#0:0/h264_nvenc@ 000001fcdc6be180] Error while opening encoder - maybe incorrect parameters such as bit_rate, rate, width or height. [vf#0:0 @ 000001fcdaafa800] Error sending frames to consumers: Generic error in an external library

[vf#0:0@ 000001fcdaafa800] Task finished with error code: -542398533 (Generic error in an external library) [vf#0:0@ 000001fcdaafa800] Terminating thread with return code -542398533 (Generic error in an external library) [vost#0:0/h264_nvenc@ 000001fcdc6be180] Could not open encoder before EOF

[vost#0:0/h264_nvenc@ 000001fcdc6be180] Task finished with error code: -22 (Invalid argument) [vost#0:0/h264_nvenc@ 000001fcdc6be180] Terminating thread with return code -22(Invalid argument)

[out#0/mov@ 000001fcdab8ed00] Nothing was written into output file, because at least one of its streams received no packets. frame= 0 fps=0.0 q=0.0 Lsize= 0KiB time=N/A bitrate=N/A speed=N/A