I try to edit and every image, I upload and it says "oops something went wrong".

Try this:

1. Click on Elements in the sidebar.
2. Select Images, then Image.
3. Choose Add Image from upload to select a file from your computer, or choose one of the other options like linking to an image or using stock photos.
4. Click Place to add the image to your page. You can then drag it to the desired location.