[wp-trac] [WordPress Trac] #52812: Can't load more post items after WordPress update

[WordPress Trac]

#52812: Can't load more post items after WordPress update
-------------------------------+-----------------------------
 Reporter:  xatar080           |      Owner:  (none)
     Type:  defect (bug)       |     Status:  new
 Priority:  normal             |  Milestone:  Awaiting Review
Component:  Posts, Post Types  |    Version:  5.7
 Severity:  normal             |   Keywords:
  Focuses:  multisite          |
-------------------------------+-----------------------------
 I recently made a WordPress update and now I have the problem that the
 page contents are all displayed correctly, but only 6 entries are listed
 in my blog and I cannot scroll any further using the "Load more" button. I
 have already worked through the troubleshooting guide. WordPress version
 is now 5.7, all plugins and themes are up to date. There's no cache plugin
 installed and the browser cache was emptied.

 The problem is, as I said, that only 6 posts are displayed and when I
 click on "Load more" nothing seems to happen, i.e. no error is displayed.
 I suspect that an AJAX call is supposed to be made here and it either goes
 nowhere or is blocked or does not find any further posts, although there
 are actually 10 more.

 What might be interesting to know would be that I recently installed an
 SSL certificate with my provider and changed all the links in my WordPress
 installation from http to https using the "Better Search Replace" plugin
 (except the GUID fields).

 I don't know if it helps, but here is the output from the developer
 console in the browser:

 ```
 jquery-migrate.min.js?ver=3.3.2:2 JQMIGRATE: Migrate is installed, version
 3.3.2
 (index):1 Refused to execute script from
 'https://cdn.syndication.twimg.com/widgets/timelines/345170787868762112?&lang=en&callback=twitterFetcher.callback&suppress_response_codes=true&rnd=0.4784765365216228'
 because its MIME type ('') is not executable, and strict MIME type
 checking is enabled.
 close.png:1 Failed to load resource: the server responded with a status of
 404 ()
 jquery.min.js?ver=3.5.1:2 Uncaught Error: Syntax error, unrecognized
 expression: {"status":"Nothing found"}
     at Function.se.error (jquery.min.js?ver=3.5.1:2)
     at se.tokenize (jquery.min.js?ver=3.5.1:2)
     at se.select (jquery.min.js?ver=3.5.1:2)
     at Function.se (jquery.min.js?ver=3.5.1:2)
     at Function.s.find (jquery-migrate.min.js?ver=3.3.2:2)
     at S.fn.init.find (jquery.min.js?ver=3.5.1:2)
     at s.fn.init.S.fn.init (jquery.min.js?ver=3.5.1:2)
     at new s.fn.init (jquery-migrate.min.js?ver=3.3.2:2)
     at S (jquery.min.js?ver=3.5.1:2)
     at vcGridStyleLoadMore.addItems (vc_grid.min.js?ver=6.6.0:10)
 util.js:224 Google Maps JavaScript API warning: NoApiKeys
 https://developers.google.com/maps/documentation/javascript/error-messages
 #no-api-keys
 LA.j @ util.js:224
 util.js:224 Google Maps JavaScript API warning: SensorNotRequired
 https://developers.google.com/maps/documentation/javascript/error-messages
 #sensor-not-required
 LA.j @ util.js:224
 DevTools failed to load SourceMap: Could not load content for
 https://example.com/wp-
 content/plugins/js_composer/assets/lib/bower/lightbox2/dist/js/lightbox.min.map:
 HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE
 ```

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Ticket URL: <https://core.trac.wordpress.org/ticket/52812>
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