[wp-trac] [WordPress Trac] #59057: Critical error after update to 6.3 due to WP_Metadata_Lazyloader

[WordPress Trac]

#59057: Critical error after update to 6.3 due to WP_Metadata_Lazyloader
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 Reporter:  alexpaterson       |       Owner:  joemcgill
     Type:  defect (bug)       |      Status:  reopened
 Priority:  normal             |   Milestone:
Component:  General            |     Version:  6.3
 Severity:  critical           |  Resolution:
 Keywords:  2nd-opinion close  |     Focuses:
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Comment (by treibstoff):

 Replying to [comment:39 keakin]:
 > I am having this same issue. I updated a client's site to WordPress 6.3
 and got this critical error:
 > Fatal error: Cannot declare class WP_Metadata_Lazyloader, because the
 name is already in use...

 You updated it manually or via the WordPress Update?
 As I see this Lazyloader Error appears if it's updated manually.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59057#comment:40>
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