[Plugin: Quick Adsense] QuickAdsense not injecting Ads in older posts

I am having problems with quickadsense on my blog www . vast9 . com

Except the recent 16 posts, quickadsense is not showing adsense ads on my older posts. The quickadsense widget ad on the sidebar is showing up adsense ads on all posts but the “Above the post”, “middle of the post” and “below the post” adsense are not showing up on any post than the recent 16. example : see this post and you will see no ads in the post : https://www.vast9.com/tech-news/googl-set-features/

Please help me as I am getting into big loss due to this ??

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https://www.ads-software.com/extend/plugins/quick-adsense/