Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /www/wwwroot/kernal-automation.com/catalog/controller/product/category.php:174 Stack trace: #0 /www/wwwroot/kernal-automation.com/system/engine/action.php(44): ControllerProductCategory->index() #1 /www/wwwroot/kernal-automation.com/system/engine/front.php(34): Action->execute() #2 /www/wwwroot/kernal-automation.com/system/engine/front.php(29): Front->execute() #3 /www/wwwroot/kernal-automation.com/system/framework.php(99): Front->dispatch() #4 /www/wwwroot/kernal-automation.com/index.php(22): require_once('...') #5 {main} thrown in /www/wwwroot/kernal-automation.com/catalog/controller/product/category.php on line 174