FlattenException {#401
  -message: "Undefined index: data"
  -code: 0
  -previous: null
  -trace: array:54 [
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      ]
    ]
    42 => array:8 [
      "namespace" => "Illuminate\Foundation\Http\Middleware"
      "short_class" => "ValidatePostSize"
      "class" => "Illuminate\Foundation\Http\Middleware\ValidatePostSize"
      "type" => "->"
      "function" => "handle"
      "file" => "/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php"
      "line" => 163
      "args" => array:2 [
        0 => array:2 [
          0 => "object"
          1 => "Illuminate\Http\Request"
        ]
        1 => array:2 [
          0 => "object"
          1 => "Closure"
        ]
      ]
    ]
    43 => array:8 [
      "namespace" => "Illuminate\Pipeline"
      "short_class" => "Pipeline"
      "class" => "Illuminate\Pipeline\Pipeline"
      "type" => "->"
      "function" => "Illuminate\Pipeline\{closure}"
      "file" => "/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php"
      "line" => 53
      "args" => array:1 [
        0 => array:2 [
          0 => "object"
          1 => "Illuminate\Http\Request"
        ]
      ]
    ]
    44 => array:8 [
      "namespace" => "Illuminate\Routing"
      "short_class" => "Pipeline"
      "class" => "Illuminate\Routing\Pipeline"
      "type" => "->"
      "function" => "Illuminate\Routing\{closure}"
      "file" => "/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php"
      "line" => 62
      "args" => array:1 [
        0 => array:2 [
          0 => "object"
          1 => "Illuminate\Http\Request"
        ]
      ]
    ]
    45 => array:8 [
      "namespace" => "Illuminate\Foundation\Http\Middleware"
      "short_class" => "CheckForMaintenanceMode"
      "class" => "Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode"
      "type" => "->"
      "function" => "handle"
      "file" => "/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php"
      "line" => 163
      "args" => array:2 [
        0 => array:2 [
          0 => "object"
          1 => "Illuminate\Http\Request"
        ]
        1 => array:2 [
          0 => "object"
          1 => "Closure"
        ]
      ]
    ]
    46 => array:8 [
      "namespace" => "Illuminate\Pipeline"
      "short_class" => "Pipeline"
      "class" => "Illuminate\Pipeline\Pipeline"
      "type" => "->"
      "function" => "Illuminate\Pipeline\{closure}"
      "file" => "/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php"
      "line" => 53
      "args" => array:1 [
        0 => array:2 [
          0 => "object"
          1 => "Illuminate\Http\Request"
        ]
      ]
    ]
    47 => array:8 [
      "namespace" => "Illuminate\Routing"
      "short_class" => "Pipeline"
      "class" => "Illuminate\Routing\Pipeline"
      "type" => "->"
      "function" => "Illuminate\Routing\{closure}"
      "file" => "/vendor/fideloper/proxy/src/TrustProxies.php"
      "line" => 57
      "args" => array:1 [
        0 => array:2 [
          0 => "object"
          1 => "Illuminate\Http\Request"
        ]
      ]
    ]
    48 => array:8 [
      "namespace" => "Fideloper\Proxy"
      "short_class" => "TrustProxies"
      "class" => "Fideloper\Proxy\TrustProxies"
      "type" => "->"
      "function" => "handle"
      "file" => "/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php"
      "line" => 163
      "args" => array:2 [
        0 => array:2 [
          0 => "object"
          1 => "Illuminate\Http\Request"
        ]
        1 => array:2 [
          0 => "object"
          1 => "Closure"
        ]
      ]
    ]
    49 => array:8 [
      "namespace" => "Illuminate\Pipeline"
      "short_class" => "Pipeline"
      "class" => "Illuminate\Pipeline\Pipeline"
      "type" => "->"
      "function" => "Illuminate\Pipeline\{closure}"
      "file" => "/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php"
      "line" => 53
      "args" => array:1 [
        0 => array:2 [
          0 => "object"
          1 => "Illuminate\Http\Request"
        ]
      ]
    ]
    50 => array:8 [
      "namespace" => "Illuminate\Routing"
      "short_class" => "Pipeline"
      "class" => "Illuminate\Routing\Pipeline"
      "type" => "->"
      "function" => "Illuminate\Routing\{closure}"
      "file" => "/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php"
      "line" => 104
      "args" => array:1 [
        0 => array:2 [
          0 => "object"
          1 => "Illuminate\Http\Request"
        ]
      ]
    ]
    51 => array:8 [
      "namespace" => "Illuminate\Pipeline"
      "short_class" => "Pipeline"
      "class" => "Illuminate\Pipeline\Pipeline"
      "type" => "->"
      "function" => "then"
      "file" => "/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php"
      "line" => 151
      "args" => array:1 [
        0 => array:2 [
          0 => "object"
          1 => "Closure"
        ]
      ]
    ]
    52 => array:8 [
      "namespace" => "Illuminate\Foundation\Http"
      "short_class" => "Kernel"
      "class" => "Illuminate\Foundation\Http\Kernel"
      "type" => "->"
      "function" => "sendRequestThroughRouter"
      "file" => "/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php"
      "line" => 116
      "args" => array:1 [
        0 => array:2 [
          0 => "object"
          1 => "Illuminate\Http\Request"
        ]
      ]
    ]
    53 => array:8 [
      "namespace" => "Illuminate\Foundation\Http"
      "short_class" => "Kernel"
      "class" => "Illuminate\Foundation\Http\Kernel"
      "type" => "->"
      "function" => "handle"
      "file" => "/public/index.php"
      "line" => 55
      "args" => array:1 [
        0 => array:2 [
          0 => "object"
          1 => "Illuminate\Http\Request"
        ]
      ]
    ]
  ]
  -traceAsString: """
    #0 /app/Http/Controllers/MainController.php(124): Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(8, 'Undefined index...', '/app/Http/Contr...', 124, Array)\n
    #1 /app/Http/Controllers/MainController.php(1133): App\Http\Controllers\MainController->fetch_api('https://interad...')\n
    #2 [internal function]: App\Http\Controllers\MainController->product(Object(Illuminate\Http\Request), Array, 'tablica-z-kolem', '622')\n
    #3 /vendor/laravel/framework/src/Illuminate/Routing/Controller.php(54): call_user_func_array(Array, Array)\n
    #4 /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(45): Illuminate\Routing\Controller->callAction('product', Array)\n
    #5 /vendor/laravel/framework/src/Illuminate/Routing/Route.php(219): Illuminate\Routing\ControllerDispatcher->dispatch(Object(Illuminate\Routing\Route), Object(App\Http\Controllers\MainController), 'product')\n
    #6 /vendor/laravel/framework/src/Illuminate/Routing/Route.php(176): Illuminate\Routing\Route->runController()\n
    #7 /vendor/laravel/framework/src/Illuminate/Routing/Router.php(680): Illuminate\Routing\Route->run()\n
    #8 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\Routing\Router->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #9 /vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(41): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #10 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Routing\Middleware\SubstituteBindings->handle(Object(Illuminate\Http\Request), Object(Closure))\n
    #11 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))\n
    #12 /vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php(75): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #13 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\VerifyCsrfToken->handle(Object(Illuminate\Http\Request), Object(Closure))\n
    #14 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))\n
    #15 /vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #16 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\View\Middleware\ShareErrorsFromSession->handle(Object(Illuminate\Http\Request), Object(Closure))\n
    #17 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))\n
    #18 /vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(56): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #19 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Session\Middleware\StartSession->handle(Object(Illuminate\Http\Request), Object(Closure))\n
    #20 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))\n
    #21 /vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php(37): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #22 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse->handle(Object(Illuminate\Http\Request), Object(Closure))\n
    #23 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))\n
    #24 /vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php(66): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #25 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Cookie\Middleware\EncryptCookies->handle(Object(Illuminate\Http\Request), Object(Closure))\n
    #26 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))\n
    #27 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #28 /vendor/laravel/framework/src/Illuminate/Routing/Router.php(682): Illuminate\Pipeline\Pipeline->then(Object(Closure))\n
    #29 /vendor/laravel/framework/src/Illuminate/Routing/Router.php(657): Illuminate\Routing\Router->runRouteWithinStack(Object(Illuminate\Routing\Route), Object(Illuminate\Http\Request))\n
    #30 /vendor/laravel/framework/src/Illuminate/Routing/Router.php(623): Illuminate\Routing\Router->runRoute(Object(Illuminate\Http\Request), Object(Illuminate\Routing\Route))\n
    #31 /vendor/laravel/framework/src/Illuminate/Routing/Router.php(612): Illuminate\Routing\Router->dispatchToRoute(Object(Illuminate\Http\Request))\n
    #32 /vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(176): Illuminate\Routing\Router->dispatch(Object(Illuminate\Http\Request))\n
    #33 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\Foundation\Http\Kernel->Illuminate\Foundation\Http\{closure}(Object(Illuminate\Http\Request))\n
    #34 /vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #35 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle(Object(Illuminate\Http\Request), Object(Closure))\n
    #36 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))\n
    #37 /vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #38 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle(Object(Illuminate\Http\Request), Object(Closure))\n
    #39 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))\n
    #40 /vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #41 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\ValidatePostSize->handle(Object(Illuminate\Http\Request), Object(Closure))\n
    #42 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))\n
    #43 /vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php(62): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #44 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode->handle(Object(Illuminate\Http\Request), Object(Closure))\n
    #45 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))\n
    #46 /vendor/fideloper/proxy/src/TrustProxies.php(57): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #47 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Fideloper\Proxy\TrustProxies->handle(Object(Illuminate\Http\Request), Object(Closure))\n
    #48 /vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))\n
    #49 /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))\n
    #50 /vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(151): Illuminate\Pipeline\Pipeline->then(Object(Closure))\n
    #51 /vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(116): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter(Object(Illuminate\Http\Request))\n
    #52 /public/index.php(55): Illuminate\Foundation\Http\Kernel->handle(Object(Illuminate\Http\Request))\n
    #53 {main}
    """
  -class: "ErrorException"
  -statusCode: 500
  -headers: []
  -file: "/app/Http/Controllers/MainController.php"
  -line: 124
}