the ‘quick-adsense’ plugin seems to interfere with single.php.
deactivate it and see what changes.
or edit single.php and check exactly that you included the adsense properly.
for instance, in this page https://www.jagodada.com/?p=386#more-386, as you can see from the copy of the html in the browser, the adsense is cutting into a link from the image.
you can also see that the rest of the article is there, but the browser cannot display it.
<p><span style="font-family: Verdana;font-size: x-small"><a href="https://www.jagodada.com/wp-content/uploads/2010/01/king.jpg"><img class="alignleft size-thumbnail wp-image-387" src="https://www.jagodada.com/wp-content/uploads/2010/01/king-150x150.jpg" alt="" width="150" height="150" />
<!-- Quick Adsense WordPress Plugin: https://techmilieu.com/quick-adsense -->
<div style="float:none;margin:10px 0 10px 0;text-align:center;">
<script type="text/javascript"><!--
google_ad_client = "pub-2701352306812181";
/* 468x15, created 2/28/09 */
google_ad_slot = "7687210634";
</div>
</a>When a group of Saudi women sta
the adsense is wrongly inserted after the image code and before the closing </a>
.