Fusion Tab flickering in render

Hi,
I'm using Resolve 15.0.0.088 and the lowers thirds created in the fusion tab have this probleme:
https:// youtu.be/uA4HhRxCu4I
My Fusion tab:
In appear only during the render(deliver tab) and if i speed up the reading in the editing tab. I've tested a lot of different change: work with cache, proxy etc and there is no change.
Can you help me
?
Thx ! : )
I'm using Resolve 15.0.0.088 and the lowers thirds created in the fusion tab have this probleme:
https:// youtu.be/uA4HhRxCu4I
My Fusion tab:
In appear only during the render(deliver tab) and if i speed up the reading in the editing tab. I've tested a lot of different change: work with cache, proxy etc and there is no change.
Can you help me

Thx ! : )