Unreal 4 - sometimes controllers don't work?

Hi,

I use a Focus 3 Headset and Unreal 4.26.2

I don’t understand why sometimes, even if VR view works, I can’t use the controllers (by doing the same things).

I use this tool :

image.png.4db79c4e4e1a2023440ca0da97bbdec9.png

image.png.7a2e71ff8662dc157436729804694f06.png

first of all I add a “Motion Controller Map” and secondly I close unreal, copy/paste the plugin file with wave sdk in the file of the project : Latest - Developer Resources

Thus, I open the project and launch VR. By doing this, I always see the VR view in the headset, but sometimes controllers work and sometimes they don’t.

PS : I tried to use “SteamVR input” option, but no change appeared (and I don’t know to use it) ; Steam VR plugin is activated

image.png.6cc88cc143547e30ecf334e558b26c8a.png

Could you please help me ?

ps : the headset works well with steamVR and Vive Streaming

Thanks a lot in advance for your answer.

Thanks in advance for your return.