error "insert image" on post from media libery

Hi,

I have tried to upload image/s thru a post or page, it gives me an error (An error occurred in the upload. Please try again) (See screenshot).

Images can be found in the media library.

I have also try to insert images from Media library. But on post/page is not displayed.

I can upload image thru [Media] -> [Add New] whiteout any error message.

I haven't updated any plugin, theme or wordpress