I am in the process of moving to a new server, and upon trying to update to the newest version available the error below is displayed and prevents me from updating. Any thoughts as to the cause or configuration error in PHP that is throwing this error? We were unable to start a PHP session. You will need to contact your host to adjust your PHP configuration before you can continue. The error reported was: Return type of IPS\_DateTime::format($format, $memberOrLanguage = null) should either be