[wp-trac] [WordPress Trac] #42815: Console js error while loading Customizer(Uncaught TypeError: Cannot read property 'action' of null)

[WordPress Trac]

#42815: Console js error while loading Customizer(Uncaught TypeError: Cannot read
property 'action' of null)
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 Reporter:  coderarjun         |       Owner:
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Customize          |     Version:  4.9.1
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by garrett-eclipse):

 I noticed this throughout my wp-admin as well. After troubleshooting I
 determined it was caused by the Grammarly Chrome extension and would
 assume you're experiencing something similar. This is a new issue with
 4.9. Let me know if this should be opened with Grammarly instead.
 Thanks

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Ticket URL: <https://core.trac.wordpress.org/ticket/42815#comment:4>
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