I'm having trouble importing my blog posts from a current site to my new un publlished site

Question:
I have a website which I wan to change.
I have designed a new website and I’m in the process of importing the content from my old site.

Product:
Wix Site Editor

What are you trying to achieve:
[Explain the details of what you are trying to achieve. The more details you provide, the easier it is to understand what you need.]

What have you already tried:
Tried importing and thereply I get isthat they are having a technical problem

Additional information:
[Include any other pertinent details or information that might be helpful for people to know when trying to answer your question.]