Horizon is not level. This is considered a composition error, and is listed in Adobe's reasons for technical refusal. Quality and technical issues rejected at Adobe Stock
Many tripods have a spirit level built in to help with this.
Horizon is not level, there is color noise or a purple tint to the sky and the boats are not sharp. Also the highlights in the water are overexüposed.
If it is a raw file, you can fix the highlight and noise issue and the boats can be sharpened.