[wp-trac] [WordPress Trac] #39128: ERROR MESSAGE "non existing changeset UUID"

[WordPress Trac]

#39128: ERROR MESSAGE "non existing changeset UUID"
-------------------------------+------------------------------
 Reporter:  RomainVB           |       Owner:
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Customize          |     Version:  4.7
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
-------------------------------+------------------------------

Comment (by westonruter):

 This error message is printed out in the
 `WP_Customize_Manager::setup_theme()` method:

 {{{#!php
 <?php
 /*
  * If unauthenticated then require a valid changeset UUID to load the
 preview.
  * In this way, the UUID serves as a secret key. If the messenger channel
 is present,
  * then send unauthenticated code to prompt re-auth.
  */
 if ( ! current_user_can( 'customize' ) && ! $this->changeset_post_id() ) {
         $this->wp_die( $this->messenger_channel ? 0 : -1, __( 'Non-
 existent changeset UUID.' ) );
 }
 }}}

 If you just authenticated, then the `current_user_can( 'customize' )`
 check should return `true`, so I don't see why this condition would be
 entered into.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39128#comment:5>
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