Core\PonghoException::Trying to get property of non-object

On file /home/arshalom/public_html/pongho/application/controllers/shop.php at line 118

#0 /home/arshalom/public_html/pongho/application/controllers/shop.php(118): Core\Pongho::Core\{closure}(8, 'Trying to get p...', '/home/arshalom/...', 118, Array)
#1 /home/arshalom/public_html/pongho/system/action_controller/base.php(188): ShopController->__call('tau-fonte.html', Array)
#2 /home/arshalom/public_html/pongho/system/action_controller/base.php(188): ShopController->tau-fonte.html()
#3 /home/arshalom/public_html/pongho/system/core/pongho.php(185): ActionController\Base->run('tau-fonte.html')
#4 /home/arshalom/public_html/pongho/system/bootstrap.php(36): Core\Pongho::run()
#5 /home/arshalom/public_html/index.php(62): include('/home/arshalom/...')
#6 {main}