Please find below the response. It would be great if we can bring at least in previous working condition at least.
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Dear Sir or Madam,
the errorlog for hidden link can only be shared within this text and not 3rd party apps for datasecurity reasons, you may format the given text yourself with those tools.
errorlog start ==========>
Jan 19 01:10:39 dd35036 apache2[27032]: [autoindex:error] [pid 27032:tid 139776464242432] [client 43.153.117.39:62795] AH01276: Cannot serve directory /www/htdocs/w0123541/rabwahpro.com/wp-admin/css/: No matching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm,index.shtml,index.shtm,index.phtml) found, and server-generated directory index forbidden by Options directive, referer: binance.com
Jan 19 06:39:23 dd35036 apache2[5964]: [autoindex:error] [pid 5964:tid 139777085007616] [client 43.130.148.55:50254] AH01276: Cannot serve directory /www/htdocs/w0123541/fillaformwebsite.com/wp-admin/css/: No matching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm,index.shtml,index.shtm,index.phtml) found, and server-generated directory index forbidden by Options directive, referer: binance.com
Jan 19 06:54:34 dd35036 apache2[5964]: [autoindex:error] [pid 5964:tid 139777697380096] [client 217.160.240.35:55225] AH01276: Cannot serve directory /www/htdocs/w0123541/itr-24.com/wp-content/uploads/: No matching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm,index.shtml,index.shtm,index.phtml) found, and server-generated directory index forbidden by Options directive
Jan 19 06:54:38 dd35036 apache2[5964]: [autoindex:error] [pid 5964:tid 139776355202816] [client 217.160.240.35:53571] AH01276: Cannot serve directory /www/htdocs/w0123541/itr-24.com/wp-content/uploads/: No matching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm,index.shtml,index.shtm,index.phtml) found, and server-generated directory index forbidden by Options directive
Jan 19 06:54:42 dd35036 apache2[5964]: [autoindex:error] [pid 5964:tid 139778167142144] [client 217.160.240.35:49313] AH01276: Cannot serve directory /www/htdocs/w0123541/itr-24.com/wp-includes/: No matching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm,index.shtml,index.shtm,index.phtml) found, and server-generated directory index forbidden by Options directive
Jan 19 06:54:46 dd35036 apache2[5964]: [autoindex:error] [pid 5964:tid 139778133571328] [client 217.160.240.35:63066] AH01276: Cannot serve directory /www/htdocs/w0123541/itr-24.com/wp-includes/: No matching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm,index.shtml,index.shtm,index.phtml) found, and server-generated directory index forbidden by Options directive
Jan 19 08:58:21 dd35036 apache2[15034]: [authz_core:error] [pid 15034:tid 140472894854912] [client 159.69.43.180:54266] AH01630: client denied by server configuration: /www/htdocs/w0123541/itr-24.de/wp-includes/css/wp-config.php, referer: anonymousfox.co
Jan 19 09:23:12 dd35036 apache2[15034]: [proxy_fcgi:error] [pid 15034:tid 140474372953856] [client 85.13.159.249:54163] AH01071: Got error 'PHP message: PHP Fatal error: Uncaught Error: Call to undefined function set_ultimate_branding() in /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/branda-white-labeling/ultimate-branding.php:66\nStack trace:\n#0 /www/htdocs/w0123541/rabwahpro.com/wp-settings.php(392): include_once()\n#1 /www/htdocs/w0123541/rabwahpro.com/wp-config.php(116): require_once('/www/htdocs/w01...')\n#2 /www/htdocs/w0123541/rabwahpro.com/wp-load.php(50): require_once('/www/htdocs/w01...')\n#3 /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/cookies-and-content-security-policy/js/cookies-and-content-security-policy-error-message.php(11): require_once('/www/htdocs/w01...')\n#4 {main}\n thrown in /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/branda-white-labeling/ultimate-branding.php on line 66', referer: hidden link
Jan 19 09:29:09 dd35036 apache2[15034]: [proxy_fcgi:error] [pid 15034:tid 140474549200640] [client 85.13.159.249:33622] AH01071: Got error 'PHP message: PHP Fatal error: Uncaught Error: Call to undefined function set_ultimate_branding() in /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/branda-white-labeling/ultimate-branding.php:66\nStack trace:\n#0 /www/htdocs/w0123541/rabwahpro.com/wp-settings.php(392): include_once()\n#1 /www/htdocs/w0123541/rabwahpro.com/wp-config.php(116): require_once('/www/htdocs/w01...')\n#2 /www/htdocs/w0123541/rabwahpro.com/wp-load.php(50): require_once('/www/htdocs/w01...')\n#3 /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/cookies-and-content-security-policy/js/cookies-and-content-security-policy-error-message.php(11): require_once('/www/htdocs/w01...')\n#4 {main}\n thrown in /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/branda-white-labeling/ultimate-branding.php on line 66', referer: hidden link
Jan 19 09:29:09 dd35036 apache2[15034]: [proxy_fcgi:error] [pid 15034:tid 140474549200640] [client 85.13.159.249:33622] AH01071: Got error 'PHP message: PHP Fatal error: Uncaught Error: Call to undefined function set_ultimate_branding() in /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/branda-white-labeling/ultimate-branding.php:66\nStack trace:\n#0 /www/htdocs/w0123541/rabwahpro.com/wp-settings.php(392): include_once()\n#1 /www/htdocs/w0123541/rabwahpro.com/wp-config.php(116): require_once('/www/htdocs/w01...')\n#2 /www/htdocs/w0123541/rabwahpro.com/wp-load.php(50): require_once('/www/htdocs/w01...')\n#3 /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/cookies-and-content-security-policy/js/cookies-and-content-security-policy-error-message.php(11): require_once('/www/htdocs/w01...')\n#4 {main}\n thrown in /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/branda-white-labeling/ultimate-branding.php on line 66', referer: hidden link
Jan 19 09:29:16 dd35036 apache2[15034]: [proxy_fcgi:error] [pid 15034:tid 140474381346560] [client 85.13.159.249:33652] AH01071: Got error 'PHP message: PHP Fatal error: Uncaught Error: Call to undefined function set_ultimate_branding() in /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/branda-white-labeling/ultimate-branding.php:66\nStack trace:\n#0 /www/htdocs/w0123541/rabwahpro.com/wp-settings.php(392): include_once()\n#1 /www/htdocs/w0123541/rabwahpro.com/wp-config.php(116): require_once('/www/htdocs/w01...')\n#2 /www/htdocs/w0123541/rabwahpro.com/wp-load.php(50): require_once('/www/htdocs/w01...')\n#3 /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/cookies-and-content-security-policy/js/cookies-and-content-security-policy-error-message.php(11): require_once('/www/htdocs/w01...')\n#4 {main}\n thrown in /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/branda-white-labeling/ultimate-branding.php on line 66', referer: hidden link
Jan 19 09:29:16 dd35036 apache2[15034]: [proxy_fcgi:error] [pid 15034:tid 140474381346560] [client 85.13.159.249:33652] AH01071: Got error 'PHP message: PHP Fatal error: Uncaught Error: Call to undefined function set_ultimate_branding() in /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/branda-white-labeling/ultimate-branding.php:66\nStack trace:\n#0 /www/htdocs/w0123541/rabwahpro.com/wp-settings.php(392): include_once()\n#1 /www/htdocs/w0123541/rabwahpro.com/wp-config.php(116): require_once('/www/htdocs/w01...')\n#2 /www/htdocs/w0123541/rabwahpro.com/wp-load.php(50): require_once('/www/htdocs/w01...')\n#3 /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/cookies-and-content-security-policy/js/cookies-and-content-security-policy-error-message.php(11): require_once('/www/htdocs/w01...')\n#4 {main}\n thrown in /www/htdocs/w0123541/rabwahpro.com/wp-content/plugins/branda-white-labeling/ultimate-branding.php on line 66', referer: hidden link
<========== errorlog end
If you are unable to fix the issue, there is also the option of running a backup. In your tarif, you can almost go back a whole month. For this, check your kas and navigate to:
Tools > Restore backups > FTP Backup. Please also use a database-backup from within the same timeframe so that there wont be any linking-issues to not yet existing posts or vica versa.