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(1/1) ErrorException

Undefined offset: 0

in MainController.php (line 133)
at HandleExceptions->handleError(8, 'Undefined offset: 0', '/var/www/vhosts/weltronroyaltech.com/laravelProject/app/Http/Controllers/MainController.php', 133, array('request' => object(Request), 'category_slug' => '18', 'data' => array('cart' => array(), 'language' => 'en', 'category_list' => array(array('id' => 27, 'childs' => array(), 'name' => array('th' => 'เครื่องพิมพ์ใบเสร็จ Zebra', 'en' => 'Slip Printer'), 'content' => array('th' => '-', 'en' => '-'), 'category_id' => null), array('id' => 28, 'childs' => array(), 'name' => array('th' => 'เครื่องอ่านบาร์โค้ด', 'en' => 'Barcode Reader'), 'content' => array('th' => '-', 'en' => '-'), 'category_id' => null), array('id' => 29, 'childs' => array(), 'name' => array('th' => 'เครื่องพิมพ์บาร์โค้ด', 'en' => 'Printer Barcode'), 'content' => array('th' => '-', 'en' => '-'), 'category_id' => null), array('id' => 30, 'childs' => array(), 'name' => array('th' => 'เครื่องอ่านบาร์โค้ดมือถือ', 'en' => 'Mobile Computer'), 'content' => array('th' => '-', 'en' => '-'), 'category_id' => null), array('id' => 31, 'childs' => array(), 'name' => array('th' => 'เครื่องพิมพ์บัตรพลาสติก PVC Zebra', 'en' => 'PVC Card Printer'), 'content' => array('th' => '-', 'en' => '-'), 'category_id' => null), array('id' => 34, 'childs' => array(), 'name' => array('th' => 'RFID Reader', 'en' => 'RFID Reader'), 'content' => array('th' => '-', 'en' => '-'), 'category_id' => null), array('id' => 35, 'childs' => array(), 'name' => array('th' => 'แท็บเล็ต', 'en' => 'Tablets'), 'content' => array('th' => '-', 'en' => '-'), 'category_id' => null)))))in MainController.php (line 133)
at MainController->productsByCategory(object(Request), '18')
at call_user_func_array(array(object(MainController), 'productsByCategory'), array(object(Request), 'category_slug' => '18'))in Controller.php (line 55)
at Controller->callAction('productsByCategory', array(object(Request), 'category_slug' => '18'))in ControllerDispatcher.php (line 44)
at ControllerDispatcher->dispatch(object(Route), object(MainController), 'productsByCategory')in Route.php (line 203)
at Route->runController()in Route.php (line 160)
at Route->run()in Router.php (line 572)
at Router->Illuminate\Routing\{closure}(object(Request))in Pipeline.php (line 30)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in SubstituteBindings.php (line 41)
at SubstituteBindings->handle(object(Request), object(Closure))in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in ShareErrorsFromSession.php (line 49)
at ShareErrorsFromSession->handle(object(Request), object(Closure))in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in StartSession.php (line 64)
at StartSession->handle(object(Request), object(Closure))in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in AddQueuedCookiesToResponse.php (line 37)
at AddQueuedCookiesToResponse->handle(object(Request), object(Closure))in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in EncryptCookies.php (line 59)
at EncryptCookies->handle(object(Request), object(Closure))in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php (line 102)
at Pipeline->then(object(Closure))in Router.php (line 574)
at Router->runRouteWithinStack(object(Route), object(Request))in Router.php (line 533)
at Router->dispatchToRoute(object(Request))in Router.php (line 511)
at Router->dispatch(object(Request))in Kernel.php (line 176)
at Kernel->Illuminate\Foundation\Http\{closure}(object(Request))in Pipeline.php (line 30)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TransformsRequest.php (line 30)
at TransformsRequest->handle(object(Request), object(Closure))in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TransformsRequest.php (line 30)
at TransformsRequest->handle(object(Request), object(Closure))in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in ValidatePostSize.php (line 27)
at ValidatePostSize->handle(object(Request), object(Closure))in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in CheckForMaintenanceMode.php (line 46)
at CheckForMaintenanceMode->handle(object(Request), object(Closure))in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php (line 102)
at Pipeline->then(object(Closure))in Kernel.php (line 151)
at Kernel->sendRequestThroughRouter(object(Request))in Kernel.php (line 116)
at Kernel->handle(object(Request))in index.php (line 53)