[wp-trac] [WordPress Trac] #54907: After upgrading to 5.9 I get blank screens when trying to edit or add posts

[WordPress Trac]

#54907: After upgrading to 5.9 I get blank screens when trying to edit or add posts
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 Reporter:  eTurboNews    |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Editor        |     Version:  5.9
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by ldigregorio):

 I get white screen when using single site, core 5.9, classic editor and
 gutenberg latest and switch to Appearance > editor

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Ticket URL: <https://core.trac.wordpress.org/ticket/54907#comment:9>
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