Game capture not functioning?

[boredpersonroblox]

When i try to capture specific window, its just a black screen. i even tried the pinned post and that didnt work!
log: https://obsproject.com/logs/g55u1WLx4buvWrlj
2nd image is when i selected the app when it was open

 

[PaiSand]

Roblox don't allow to be captured this way. Try window capture or display capture.