Game not detected: trainer issue

I installed deadcells from firgirl and wemod trainer, it was fine as wemod is freemium I downloaded fling trainer for the same game but when I tried to use it's saying game not detected even though it's open.

I installed deadcells from firgirl and wemod trainer, it was fine as wemod is freemium I downloaded fling trainer for the same game but when I tried to use it's saying game not detected even though it's open.