[wp-trac] [WordPress Trac] #63440: 6.8.1 Multisite: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, string given in wp-includes/class-wp-roles.php:291

[WordPress Trac]

#63440: 6.8.1 Multisite: Uncaught TypeError: array_keys(): Argument #1 ($array)
must be of type array, string given in wp-includes/class-wp-roles.php:291
----------------------------+-----------------------------
 Reporter:  thejasonator    |      Owner:  (none)
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Administration  |    Version:
 Severity:  major           |   Keywords:
  Focuses:                  |
----------------------------+-----------------------------
 I held off upgrading to 6.8 because of the multisite issue with older
 sites. I saw that bug was fixed in 6.8.1, but on upgrading I saw this
 error:

 Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must
 be of type array, string given in /usr/local/lsws/Wordpress/htdocs/wp-
 includes/class-wp-roles.php:291 Stack trace: #0
 /usr/local/lsws/Wordpress/htdocs/wp-includes/class-wp-roles.php(291):
 array_keys() #1 /usr/local/lsws/Wordpress/htdocs/wp-includes/class-wp-
 roles.php(332): WP_Roles->init_roles() #2 /usr/local/lsws/Wordpress/htdocs
 /wp-includes/ms-blogs.php(707): WP_Roles->for_site() #3
 /usr/local/lsws/Wordpress/htdocs/wp-includes/class-wp-hook.php(326):
 wp_switch_roles_and_user() #4 /usr/local/lsws/Wordpress/htdocs/wp-includes
 /class-wp-hook.php(348): WP_Hook->apply_filters() #5
 /usr/local/lsws/Wordpress/htdocs/wp-includes/plugin.php(517):
 WP_Hook->do_action() #6 /usr/local/lsws/Wordpress/htdocs/wp-includes/ms-
 blogs.php(587): do_action() #7 /usr/local/lsws/Wordpress/htdocs/wp-
 includes/admin-bar.php(685): switch_to_blog() #8
 /usr/local/lsws/Wordpress/htdocs/wp-includes/class-wp-hook.php(324):
 wp_admin_bar_my_sites_menu() #9 /usr/local/lsws/Wordpress/htdocs/wp-
 includes/class-wp-hook.php(348): WP_Hook->apply_filters() #10
 /usr/local/lsws/Wordpress/htdocs/wp-includes/plugin.php(565):
 WP_Hook->do_action() #11 /usr/local/lsws/Wordpress/htdocs/wp-includes
 /admin-bar.php(97): do_action_ref_array() #12
 /usr/local/lsws/Wordpress/htdocs/wp-includes/class-wp-hook.php(324):
 wp_admin_bar_render() #13 /usr/local/lsws/Wordpress/htdocs/wp-includes
 /class-wp-hook.php(348): WP_Hook->apply_filters() #14
 /usr/local/lsws/Wordpress/htdocs/wp-includes/plugin.php(517):
 WP_Hook->do_action() #15 /usr/local/lsws/Wordpress/htdocs/wp-admin/admin-
 header.php(277): do_action() #16 /usr/local/lsws/Wordpress/htdocs/wp-admin
 /edit-form-blocks.php(376): require_once('...') #17
 /usr/local/lsws/Wordpress/htdocs/wp-admin/post.php(187): require('...')
 #18 {main} thrown in /usr/local/lsws/Wordpress/htdocs/wp-includes/class-
 wp-roles.php on line 291

 Strangely, the side admin bar renders, but the top admin bar doesn't.

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Ticket URL: <https://core.trac.wordpress.org/ticket/63440>
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