please help me understand this Adsense rejection message.

here is the full letter i get

We’ve found some policy violations on your site which means that your site isn’t ready to show ads yet.

1. Valuable Inventory: No content
   
   We do not allow monetisation where there is no content.
   • No content includes placeholder content for sites or apps under construction.
2. For more information, review the following resources:
   • Make sure that your site has unique content and a good user experience
   • Policy tips for creating high quality sites (part 2)
   • Webmaster quality guidelines

i don't know how can my articles be not unique. because i wrote them myself (obviously everything is in the web already but that doesn't mean anything right?). also i have 7 posts (i hope this is the only reason LOL)

here is the link of my Adsense question
https://support.google.com/adsense/thread/96737713?hl=en-GB

https://safirnaw.blogspot.com/

here is my blog

You need more articles like 20-25