[wp-trac] [WordPress Trac] #52952: Uncaught (in promise) Error

[WordPress Trac]

#52952: Uncaught (in promise) Error
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 Reporter:  dsutoyo       |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  5.7
 Severity:  normal        |   Keywords:
  Focuses:                |
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 I get a "Uncaught (in promise) Error: The entity being edited (postType,
 undefined) does not have a loaded config." error message when trying to
 edit a custom post type with lots of taxonomies registered. When the
 number of registered taxonomies reaches 67, the error is triggered. At
 less than 67, the error is not present.

 Taxonomies and CPT were registered with Custom Post Type UI, but the error
 is still there if I switch to registering via code.

 This error is present with latest version of WP (5.7) with the
 twentytwentyone theme. Using the Classic editor does not trigger the
 error, even with more than 67 taxonomies.

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Ticket URL: <https://core.trac.wordpress.org/ticket/52952>
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