[wp-trac] [WordPress Trac] #45104: Add new posts button only creates revisions of former posts

[WordPress Trac]

#45104: Add new posts button only creates revisions of former posts
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 Reporter:  francishunger      |      Owner:  (none)
     Type:  defect (bug)       |     Status:  new
 Priority:  normal             |  Milestone:  Awaiting Review
Component:  Posts, Post Types  |    Version:  4.9.8
 Severity:  normal             |   Keywords:
  Focuses:                     |
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 Hi,

 When I press the "Add new Posts" button, a new post is only created
 immediately after the first login. Subsequently whenever I want to add a
 new post, the same former post is overwritten. This get's visible, when
 the permalink of a supposedly new post is actually the old permalink.

 This might be a Gutenberg issue, since it appeared after installing
 Gutenberg and subsequently de-activating it, but it might not, since I'm
 note certain if that is related.

 I assume it is a database issue. In Php-Admin it was visible, that new
 post IDs were created, but they always had the parent-ID set to the former
 Post, not to 0 (which I assume would constitute a new post).

 I have tried to no avail:
 - deactivating all plugins
 - reinstalling wordpress after deleting the files, also reinstalling an
 older version 4.8, then again updating it.
 - running database plugins to delete postrevisions and transients
 - activate standard theme
 - installing a new wp with a fresh database and importing the posts
 - issue appeared both in chrome and safari (latest) under osx, with
 extensions on and off.
 - consulting the wordpress org support
 - the problem also appears with a new custom post type, which I added

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Ticket URL: <https://core.trac.wordpress.org/ticket/45104>
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