[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
--------------------------+-----------------------------
 Reporter:  alexpaterson  |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  6.3
 Severity:  critical      |   Keywords:
  Focuses:                |
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 Hi,

 After trying to upgrade to 6.3, I've received a critical error:

 Fatal error: Cannot declare class WP_Metadata_Lazyloader, because the name
 is already in use in /opt/bitnami/wordpress/wp-includes/class-wp-metadata-
 lazyloader.php on line 32

 I've manually reinstalled WordPress through FileZilla, disabled all
 plugins, but still can't get access.

 My website is completely inaccessible, both front and back end, so I'd
 appreciate if this could be looked into urgently - it appears that I'm not
 the only one reporting this error
 (https://www.reddit.com/r/Wordpress/comments/15mqq4u/i_have_a_php_fatal_error_message_need_help/)

 Many thanks,
 Alex

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