Elementor and WordPress posts not working.

Hey guys, I’m new to this website stuff and recently started creating a website. I got most of it done and now it was time to create some blog posts, when I went to “posts” section and added new post, I did the wrong and everything and wanted to see how it was turning out and pressed “preview” but when I pressed preview on the exact post this what happened:
1:None of the new writing or anything besides the title showed up
2: A picture from a old blog post I deleted was still there and I could not remove it.
3: I tried to remove it with Elementor but it said page not found “the_content” thing or whatever.
I made a previous blog post and it worked great but out of nowhere this is happening and I am unable to make a post. I cached everything and stuff but not a thing worked. Please help I am new to this.

 

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