Fatal error: Method Xapping\Presenter_Front_Staff_Detail::__toString() must not throw an exception, caught Fuel\Core\PhpErrorException: Trying to get property 'mail_template_id' of non-object in /home/www/melrose.co.jp/fuel/core/classes/response.php on line 0

Fatal error: Uncaught Fuel\Core\PhpErrorException: Trying to get property 'mail_template_id' of non-object in /home/www/melrose.co.jp/fuel/app/modules/bbfcore/classes/model/email.php:609 Stack trace: #0 /home/www/melrose.co.jp/fuel/core/bootstrap.php(103): Fuel\Core\Errorhandler::error_handler(8, 'Trying to get p...', '/home/www/melro...', 609) #1 /home/www/melrose.co.jp/fuel/app/modules/bbfcore/classes/model/email.php(609): {closure}(8, 'Trying to get p...', '/home/www/melro...', 609, Array) #2 [internal function]: Bbfcore\Model\Email->hook_set_unsubscribe_header('ec_system_alert...') #3 /home/www/melrose.co.jp/fuel/packages/bbfpkg/traits/hookable.php(46): call_user_func_array(Array, Array) #4 /home/www/melrose.co.jp/fuel/packages/bbfpkg/traits/hookable.php(13): Bbfcore\Base\Model->hook('set_unsubscribe...', Array) #5 /home/www/melrose.co.jp/fuel/app/modules/bbfcore/classes/model/email.php(43): Bbfcore\Base\Model->__call('set_unsubscribe...', Array) #6 /home/www/melrose.co.jp/fuel/app/modules/bbfcore/classes/model/email. in /home/www/melrose.co.jp/fuel/app/modules/bbfcore/classes/model/email.php on line 609