Undefined Errors
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Hello all,
we have been using the plugin for several years and have had no problems so far. But since a few weeks there is an error message when activating the plugin. However, only the error message bar is visible, there is no text. (Screenshot: https://gw-wesel-flueren.de/wp-content/uploads/2021/11/empty_error_message_WP_SMTP.png). I also sometimes have other errors on my page. For example, all links are displayed in blue (default Divi theme) instead of green or white.
Do you have any ideas?
Thanks a lot!
The page I need help with: [log in to see the link]
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There have been no changes in recent weeks. We use PHP 7.4 and WordPress 5.8.2.
I found a error message. Is it the WP Mail SMTP plugin? But the error does not occur when I disable Post SMTP.
FastCGI sent in stderr: "PHP message: PHP Warning: sprintf(): Too few arguments in /home/wp/disk/wordpress/wp-content/plugins/wp-mail-smtp/src/Conflicts.php on line 428" while reading response header from upstream, client: IP-ADRESS, server: gw-wesel-flueren.de, request: "GET /wp-admin/plugins.php?activate=true&plugin_status=all&paged=1&s= HTTP/2.0", upstream: "fastcgi://unix:/var/run/wordpress.php-fpm.sock:", host: "gw-wesel-flueren.de", referrer: "https://gw-wesel-flueren.de/wp-admin/plugins.php"
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