Your photo is way oversaturated; the overall image quality isn't that good and you have noise showing. See the coloured grain-like appearance:
I'm afraid this won't be good enough to meet Adobe's standards.
Hi @Nicolas5C8C ,
You framing was over exposed. It seem you added filter. I suggest you pay keen attention to required quality at Tips for getting your stock photos accepted | Adobe Learn & Support tutorials
Adobe Stock customers expect highest visual and technical quality. See links below.
Look at what other Stock Contributors are doing in your keyword category. You might pick up some tips on what makes a photo interesting to buyers. Also look at the lighting, composition and color balance.
Don't be discouraged. We all have hits and misses. Just keep working at your craft and learn from your mistakes. That's how you improve.