[wp-trac] [WordPress Trac] #47900: Error on update MCE Views in gutenberg block "Classic Editor"

[WordPress Trac]

#47900: Error on update MCE Views in gutenberg block "Classic Editor"
--------------------------+-----------------------------
 Reporter:  vjik          |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Future Release
Component:  Editor        |     Version:  5.2.2
 Severity:  major         |  Resolution:
 Keywords:  needs-patch   |     Focuses:  administration
--------------------------+-----------------------------

Comment (by webinista):

 It's still happening for me in 5.6. It seems to originate with the
 `announceSearchResults` function in `wp-includes/js/media-views.min.js`.

 Changing:

 {{{
 if ( this.collection.mirroring.args.s )
 }}}

 to:

 {{{
 if (
     this.collection.hasOwnProperty('mirroring') &&
     this.collection.mirroring.args.s
 )
 }}}

 resolved my particular issue.

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Ticket URL: <https://core.trac.wordpress.org/ticket/47900#comment:6>
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