[wp-trac] [WordPress Trac] #57290: PHP 8.1 | White screen after plugin updates on /wp-admin/update-core.php

[WordPress Trac]

#57290: PHP 8.1 | White screen after plugin updates on /wp-admin/update-core.php
--------------------------+------------------------------
 Reporter:  michih        |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  6.1.1
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
--------------------------+------------------------------

Comment (by michih):

 2022/12/07 09:00:35 [error] 28077#28077: *1576446 FastCGI sent in stderr:
 "PHP message: PHP Fatal error:  Uncaught Error: Call to undefined function
 request_filesystem_credentials() in /home/wp/disk/wordpress/wp-
 admin/includes/class-wp-upgrader-skin.php:140
 Stack trace:
 #0 /home/wp/disk/wordpress/wp-admin/includes/class-wp-upgrader.php(189):
 WP_Upgrader_Skin->request_filesystem_credentials()
 #1 /home/wp/disk/wordpress/wp-admin/includes/class-language-pack-
 upgrader.php(206): WP_Upgrader->fs_connect()
 #2 /home/wp/disk/wordpress/wp-
 content/plugins/mailpoet/lib/Config/Localizer.php(53):
 Language_Pack_Upgrader->bulk_upgrade()
 #3 /home/wp/disk/wordpress/wp-
 content/plugins/mailpoet/lib/Config/Activator.php(87):
 MailPoet\Config\Localizer->forceInstallLanguagePacks()
 #4 /home/wp/disk/wordpress/wp-
 content/plugins/mailpoet/lib/Config/Activator.php(60):
 MailPoet\Config\Activator->processActivate()
 #5 /home/wp/disk/wordpress/wp-
 content/plugins/mailpoet/lib/Config/Initializer.php(334):
 MailPoet\Config\Activator->activate()
 #6 /home/wp/disk/wordpress/wp-content/plugins/mailpoet/lib/Con" while
 reading response header from upstream, client: [...], server: [...],
 request: "GET /wp-admin/update-core.php HTTP/2.0", upstream:
 "fastcgi://unix:/var/run/wordpress.php-fpm.sock:", host: "...", referrer:
 "/wp-admin/update.php?action=update-selected&plugins=gp-premium%2Fgp-
 premium.php%2Cmailpoet%2Fmailpoet.php&_wpnonce=..."

 Maybe also a bug within MailPoet.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/57290#comment:1>
WordPress Trac <https://core.trac.wordpress.org/>
WordPress publishing platform