[wp-trac] [WordPress Trac] #45253: "Unhandled promise rejection" in 5.0-RC1-43944 (was: "Unhandled promise rejection" in 5.0-beta2-43852)

[WordPress Trac]

#45253: "Unhandled promise rejection" in 5.0-RC1-43944
--------------------------+------------------------------
 Reporter:  jsmoriss      |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Editor        |     Version:  5.0
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:  javascript
--------------------------+------------------------------

Comment (by jsmoriss):

 FYI - This is still a problem in the latest RC. I can save a post with the
 current WordPress version and the Gutenberg plugin, but cannot save a post
 in WordPress 5.0:


 {{{
 Unhandled promise rejection
 Response

 bodyUsed: false

 headers: Headers {  }

 ok: false

 redirected: false

 status: 403

 statusText: "Forbidden"

 type: "basic"

 url: "http://.../wp-admin/post.php?post=1086&action=edit&meta-box-
 loader=1&_wpnonce=********&_locale=user"

 <prototype>: ResponsePrototype { clone: clone(), arrayBuffer:
 arrayBuffer(), blob: blob(), … }
 wp-polyfill.min.js:2:29718
 T/</n<
 http://.../wp-includes/js/dist/vendor/wp-polyfill.min.js:2:29718
 [89]</n.exports
 http://.../wp-includes/js/dist/vendor/wp-polyfill.min.js:1:25719
 T/<
 http://.../wp-includes/js/dist/vendor/wp-polyfill.min.js:2:29595
 [51]</n.exports
 http://.../wp-includes/js/dist/vendor/wp-polyfill.min.js:1:16271
 <anonymous>
 http://.../wp-includes/js/dist/vendor/wp-polyfill.min.js:1:30590
 m
 http://.../wp-includes/js/dist/vendor/wp-polyfill.min.js:1:30435
 x
 http://.../wp-includes/js/dist/vendor/wp-polyfill.min.js:1:30455
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/45253#comment:2>
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