[wp-trac] [WordPress Trac] #53352: Twenty Twenty-One: PHP warning: Illegal string offset 'custom_css_post_id' (was: PHP Warning in Twenty Twenty-One)

[WordPress Trac]

#53352: Twenty Twenty-One: PHP warning: Illegal string offset 'custom_css_post_id'
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 Reporter:  karenaug       |       Owner:  (none)
     Type:  defect (bug)   |      Status:  new
 Priority:  normal         |   Milestone:  Awaiting Review
Component:  Bundled Theme  |     Version:  5.7.2
 Severity:  normal         |  Resolution:
 Keywords:                 |     Focuses:  template
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Ticket URL: <https://core.trac.wordpress.org/ticket/53352#comment:2>
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