Aktualisierungen brechen einfach ohne Fehlermeldung ab

Danke für Deine Antwort.

Als einzige Fehlermeldung taucht im log auf:

[02-Jan-2023 21:28:46 UTC] PHP Notice: Undefined index: frc-captcha-solution in /homepages/*****/htdocs/wordpress/wp-content/plugins/friendly-captcha/includes/helpers.php on line 19

Hier noch der Bericht:

### wp-core ###

version: 6.1.1
site_language: de_DE
user_language: de_DE
timezone: Europe/Berlin
permalink: /%postname%/
https_status: true
multisite: false
user_registration: 0
blog_public: 1
default_comment_status: closed
environment_type: production
user_count: 1
dotorg_communication: true

### wp-paths-sizes ###

wordpress_path: /homepages/23/d32916708/htdocs/wordpress
wordpress_size: 53,41 MB (56001759 bytes)
uploads_path: /homepages/23/d32916708/htdocs/wordpress/wp-content/uploads
uploads_size: 131,35 MB (137735476 bytes)
themes_path: /homepages/23/d32916708/htdocs/wordpress/wp-content/themes
themes_size: 9,49 MB (9952146 bytes)
plugins_path: /homepages/23/d32916708/htdocs/wordpress/wp-content/plugins
plugins_size: 26,91 MB (28216816 bytes)
database_size: 9,31 MB (9764864 bytes)
total_size: 230,48 MB (241671061 bytes)

### wp-active-theme ###

name: BlueGray (bluegray)
version: 7.3
author: Guido
author_website: https://www.guido.site
parent_theme: none
theme_features: core-block-patterns, widgets-block-editor, menus, title-tag, editor-styles, editor-style, custom-header, post-thumbnails, automatic-feed-links, html5, custom-background, post-formats, widgets
theme_path: /homepages/23/d32916708/htdocs/wordpress/wp-content/themes/bluegray

### wp-themes-inactive (1) ###

Twenty Twenty-Three: version: 1.0, author: WordPress-Team

### wp-plugins-active (8) ###

Booking Calendar WpDevArt: version: 3.2.3, author: WpDevArt
Contact Form 7: version: 5.7.2, author: Takayuki Miyoshi
Disable & Remove Google Fonts: version: 1.5.2, author: Fonts Plugin
FooBox Image Lightbox: version: 2.7.17, author: FooPlugins
Friendly Captcha for WordPress: version: 1.8.0, author: Friendly Captcha GmbH
MetaSlider: version: 3.28.2, author: MetaSlider
To Top: version: 2.5.2, author: Catch Plugins
Yoast Duplicate Post: version: 4.5, author: Enrico Battocchi & Team Yoast

### wp-media ###

image_editor: WP_Image_Editor_GD
imagick_module_version: Nicht verfügbar
imagemagick_version: Nicht verfügbar
imagick_version: Nicht verfügbar
file_uploads: File uploads is turned off
post_max_size: 64M
upload_max_filesize: 64M
max_effective_size: 64 MB
max_file_uploads: 20
gd_version: 2.2.5
gd_formats: GIF, JPEG, PNG, WebP, BMP, XPM
ghostscript_version: 9.27

### wp-server ###

server_architecture: Linux 4.4.302-icpu-088 x86_64
httpd_software: Apache
php_version: 7.4.33 64bit
php_sapi: cgi-fcgi
max_input_variables: 5000
time_limit: 50000
memory_limit: -1
max_input_time: -1
upload_max_filesize: 64M
php_post_max_size: 64M
curl_version: 7.64.0 OpenSSL/1.1.1n
suhosin: false
imagick_availability: false
pretty_permalinks: true
htaccess_extra_rules: false

### wp-database ###

extension: mysqli
server_version: 5.7.38-log
client_version: mysqlnd 7.4.33
max_allowed_packet: 67108864
max_connections: 3000

### wp-constants ###

WP_HOME: undefined
WP_SITEURL: undefined
WP_CONTENT_DIR: /homepages/23/d32916708/htdocs/wordpress/wp-content
WP_PLUGIN_DIR: /homepages/23/d32916708/htdocs/wordpress/wp-content/plugins
WP_MEMORY_LIMIT: 40M
WP_MAX_MEMORY_LIMIT: -1
WP_DEBUG: false
WP_DEBUG_DISPLAY: true
WP_DEBUG_LOG: false
SCRIPT_DEBUG: false
WP_CACHE: false
CONCATENATE_SCRIPTS: undefined
COMPRESS_SCRIPTS: undefined
COMPRESS_CSS: undefined
WP_ENVIRONMENT_TYPE: Nicht definiert
DB_CHARSET: utf8mb4
DB_COLLATE: undefined

### wp-filesystem ###

wordpress: writable
wp-content: writable
uploads: writable
plugins: writable
themes: writable

LG Mathias 🙂

Hallo, hier ist die wp-config.php. Alle * sind natürlich mit Werten hinterlegt, habe ich nur heraus genommen.

<?php
/**
 * The base configuration for WordPress
 *
 * The wp-config.php creation script uses this file during the
 * installation. You don't have to use the web site, you can
 * copy this file to "wp-config.php" and fill in the values.
 *
 * This file contains the following configurations:
 *
 * * MySQL settings
 * * Secret keys
 * * Database table prefix
 * * ABSPATH
 *
 * @link https://codex.wordpress.org/Editing_wp-config.php
 *
 * @package WordPress
 */

// ** MySQL settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define('DB_NAME', '*');

/** MySQL database username */
define('DB_USER', '*');

/** MySQL database password */
define('DB_PASSWORD', '*');

/** MySQL hostname */
define('DB_HOST', '*');

/** Database Charset to use in creating database tables. */
define('DB_CHARSET', 'utf8mb4');

/** The Database Collate type. Don't change this if in doubt. */
define('DB_COLLATE', '');

/**#@+
 * Authentication Unique Keys and Salts.
 *
 * Change these to different unique phrases!
 * You can generate these using the {@link https://api.wordpress.org/secret-key/1.1/salt/ WordPress.org secret-key service}
 * You can change these at any point in time to invalidate all existing cookies. This will force all users to have to log in again.
 *
 * @since 2.6.0
 */
define('AUTH_KEY',         '*');
define('SECURE_AUTH_KEY',  '*');
define('LOGGED_IN_KEY',    '*');
define('NONCE_KEY',        '*');
define('AUTH_SALT',        '*');
define('SECURE_AUTH_SALT', '*');
define('LOGGED_IN_SALT',   '*');
define('NONCE_SALT',       '*');

/**#@-*/

/**
 * WordPress Database Table prefix.
 *
 * You can have multiple installations in one database if you give each
 * a unique prefix. Only numbers, letters, and underscores please!
 */
$table_prefix  = 'wp_';

/**
 * For developers: WordPress debugging mode.
 *
 * Change this to true to enable the display of notices during development.
 * It is strongly recommended that plugin and theme developers use WP_DEBUG
 * in their development environments.
 *
 * For information on other constants that can be used for debugging,
 * visit the Codex.
 *
 * @link https://codex.wordpress.org/Debugging_in_WordPress
 */
define('WP_DEBUG', false);

/* That's all, stop editing! Happy blogging. */

/** Absolute path to the WordPress directory. */
if ( !defined('ABSPATH') )
	define('ABSPATH', dirname(__FILE__) . '/');

/** Sets up WordPress vars and included files. */
require_once(ABSPATH . 'wp-settings.php');

Anmerkung: die Domain wird von ionos gehostet.

LG Mathias