What is wrong with my photos, got rejected saying there is errors??

The rejection text is a standard predefined text. There is no further explanation given by the exterminator.

For your first image, I would say that there is no element in-focus. Every thing is washed-out.

The second image is badly composed. You would need to have the bottom of the trees in the image.

Do you mean this:

Technical Issues

Thanks for giving us the chance to consider your image. Unfortunately, during our review we found that it contains one or more technical issues, so we can't accept it into our collection.

To learn more about the reasons why we decline certain images, including technical issues, please visit this page: https://www.adobe.com/go/stock-contributor-help

Have a read about technical issues. For one thing, you have to think about composition!

I'm not sure what the subject is in your shots.