https://tas-lab.net/products/list?size_width_max=300&size_width_min=0

Validator calls

Path Message Invalid value Violation
children[price_min].data 入力されていません。
null
Symfony\Component\Validator\ConstraintViolation {#6008
  -message: "入力されていません。"
  -messageTemplate: "This value should not be blank."
  -parameters: [
    "{{ value }}" => "null"
  ]
  -plural: null
  -root: Symfony\Component\Form\Form {#5616
    name: ""
    type_class: "Eccube\Form\Type\SearchProductType"
    data: [
      "mode" => null
      "category_id" => null
      "name" => null
      "pageno" => null
      "disp_number" => Eccube\Entity\Master\ProductListMax {#5363
        #id: 20
        #name: "20件"
        #sort_no: 0
      }
      "orderby" => Eccube\Entity\Master\ProductListOrderBy {#5348
        #id: 1
        #name: "価格が低い順"
        #sort_no: 0
      }
      "price_min" => null
      "price_max" => null
      "size_vertical_min" => null
      "size_vertical_max" => null
      "size_width_min" => "0"
      "size_width_max" => "300"
    ]
  }
  -propertyPath: "children[price_min].data"
  -invalidValue: null
  -constraint: Symfony\Component\Validator\Constraints\NotBlank {#5554 …}
  -code: "c1051bb4-d103-4f74-8988-acbcafc7fdc3"
  -cause: null
}
children[price_max].data 入力されていません。
null
Symfony\Component\Validator\ConstraintViolation {#6035
  -message: "入力されていません。"
  -messageTemplate: "This value should not be blank."
  -parameters: [
    "{{ value }}" => "null"
  ]
  -plural: null
  -root: Symfony\Component\Form\Form {#5616
    name: ""
    type_class: "Eccube\Form\Type\SearchProductType"
    data: [
      "mode" => null
      "category_id" => null
      "name" => null
      "pageno" => null
      "disp_number" => Eccube\Entity\Master\ProductListMax {#5363
        #id: 20
        #name: "20件"
        #sort_no: 0
      }
      "orderby" => Eccube\Entity\Master\ProductListOrderBy {#5348
        #id: 1
        #name: "価格が低い順"
        #sort_no: 0
      }
      "price_min" => null
      "price_max" => null
      "size_vertical_min" => null
      "size_vertical_max" => null
      "size_width_min" => "0"
      "size_width_max" => "300"
    ]
  }
  -propertyPath: "children[price_max].data"
  -invalidValue: null
  -constraint: Symfony\Component\Validator\Constraints\NotBlank {#5567 …}
  -code: "c1051bb4-d103-4f74-8988-acbcafc7fdc3"
  -cause: null
}