[wp-trac] [WordPress Trac] #53529: Block based widget admin screen causes a NS_ERROR_FAILURE error in Firefox

[WordPress Trac]

#53529: Block based widget admin screen causes a NS_ERROR_FAILURE error in Firefox
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 Reporter:  walterebert              |       Owner:  (none)
     Type:  defect (bug)             |      Status:  reopened
 Priority:  normal                   |   Milestone:  Future Release
Component:  Customize                |     Version:  5.8
 Severity:  major                    |  Resolution:
 Keywords:  needs-testing needs-     |     Focuses:  javascript, coding-
  patch                              |  standards
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Comment (by bozzmedia):

 Still running into this issue in WP 6.0, Firefox, Win10. The error locks
 me out of saving widgets in the new widget editor.

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Ticket URL: <https://core.trac.wordpress.org/ticket/53529#comment:20>
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