[03-Dec-2025 17:33:48 +0000]: <de0443fa> PHP Error: Request security check failed (POST /cpsess0737893996/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [03-Dec-2025 17:36:03 +0000]: <bfa7cc9b> PHP Error: Request security check failed (POST /cpsess0737893996/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [03-Dec-2025 18:00:38 UTC] PHP Deprecated: session_set_save_handler(): Providing individual callbacks instead of an object implementing SessionHandlerInterface is deprecated in /usr/local/cpanel/base/3rdparty/roundcube/program/lib/Roundcube/rcube_session.php on line 119 [03-Dec-2025 18:00:38 UTC] PHP Deprecated: MStilkerich\CardDavClient\Config::init(): Implicitly marking parameter $logger as nullable is deprecated, the explicit nullable type must be used instead in /usr/local/cpanel/base/3rdparty/roundcube/plugins/carddav/vendor/mstilkerich/carddavclient/src/Config.php on line 72 [03-Dec-2025 18:00:38 UTC] PHP Deprecated: MStilkerich\CardDavClient\Config::init(): Implicitly marking parameter $httplogger as nullable is deprecated, the explicit nullable type must be used instead in /usr/local/cpanel/base/3rdparty/roundcube/plugins/carddav/vendor/mstilkerich/carddavclient/src/Config.php on line 72 [08-Dec-2025 15:15:46 +0000]: <174eba11> PHP Error: Request security check failed (POST /cpsess3707054470/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [08-Dec-2025 16:08:48 +0000]: <397ac0a7> PHP Error: Request security check failed (POST /cpsess3707054470/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [09-Dec-2025 15:07:19 +0000]: <38912282> PHP Error: Request security check failed (POST /cpsess3707054470/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [10-Dec-2025 21:25:48 +0000]: <a0a3cda8> PHP Error: Request security check failed (POST /cpsess8542115555/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [10-Dec-2025 23:17:00 +0000]: <03aa790e> PHP Error: Request security check failed (POST /cpsess1330858303/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [10-Dec-2025 23:22:32 +0000]: <5d006d03> PHP Error: Request security check failed (POST /cpsess1330858303/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [13-Dec-2025 16:17:56 +0000]: <d5798368> PHP Error: Request security check failed (POST /cpsess2316533740/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [13-Dec-2025 22:44:50 +0000]: <85b60ba4> PHP Error: Request security check failed (POST /cpsess4133899020/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [14-Dec-2025 14:06:05 +0000]: <3302b630> PHP Error: Request security check failed (POST /cpsess3707054470/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [26-Dec-2025 16:58:14 +0000]: <c9f66851> PHP Error: Request security check failed (POST /cpsess6624388382/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [26-Dec-2025 18:10:11 +0000]: <28a530c4> PHP Error: Request security check failed (POST /cpsess6624388382/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [29-Dec-2025 17:36:43 +0000]: <47f85401> PHP Error: Request security check failed (POST /cpsess2107379957/3rdparty/roundcube/index.php?_task=mail&_action=refresh) [26-Feb-2026 13:44:14 +0000]: <51d234f2> PHP Error: Request security check failed (POST /cpsess1762712788/3rdparty/roundcube/index.php?_task=mail&_action=refresh)