How to finally make Text to Speech plugin work with Kdenlive on Fedora 43? Both cpu and GPU do not work

Here’s configuration of Whisper

And here’s what I get when I try to generate text(subtitles)

In the bottom right of Kdenlive window I get

Screenshot_20260429_125104

And If I try with cpu option, I get

And I still get the same warning bottom right:

Screenshot_20260429_125152

My system and env details:

Fedora 43

Kdenlive Version 25.12.3 installed From Fedora Linux not Flatpak

Nvidia drivers info(output from nvidia-smi )
NVIDIA-SMI 580.142 Driver Version: 580.142 CUDA Version: 13.0

Cuda toolkit installed by following guide: Making sure you're not a bot!
Version of cuda-toolkit: 13.2.0

What phD diploma am I missing to make this work?