https://test-web.cosmopier.net/products/list?category_id=%5B%2711%27%5D

Validator calls

Path Message Invalid value Violation
children[category_id] 有効な値ではありません。
"['11']"
ConstraintViolation {#3205
  -message: "有効な値ではありません。"
  -messageTemplate: "This value is not valid."
  -parameters: [
    "{{ value }}" => "['11']"
  ]
  -plural: null
  -root: Form {#2893
    name: ""
    type_class: "Eccube\Form\Type\SearchProductType"
    data: [
      "mode" => null
      "name" => null
      "pageno" => null
      "disp_number" => ProductListMax {#2946
        #id: 20
        #name: "20件"
        #sort_no: 0
        -AnnotationReader: AnnotationReader {#463 …}
      }
      "orderby" => ProductListOrderBy {#2957
        #id: 2
        #name: "新着順"
        #sort_no: 1
        -AnnotationReader: AnnotationReader {#463 …}
      }
    ]
  }
  -propertyPath: "children[category_id]"
  -invalidValue: "['11']"
  -constraint: Form {#2978 …}
  -code: "1dafa156-89e1-4736-b832-419c2e501fca"
  -cause: TransformationFailedException {#2914 …}
}
Path Message Invalid value Violation
children[category_id] 有効な値ではありません。
"['11']"
ConstraintViolation {#6954
  -message: "有効な値ではありません。"
  -messageTemplate: "This value is not valid."
  -parameters: [
    "{{ value }}" => "['11']"
  ]
  -plural: null
  -root: Form {#6932
    name: ""
    type_class: "Eccube\Form\Type\SearchProductBlockType"
    data: [
      "name" => null
    ]
  }
  -propertyPath: "children[category_id]"
  -invalidValue: "['11']"
  -constraint: Form {#2978 …}
  -code: "1dafa156-89e1-4736-b832-419c2e501fca"
  -cause: TransformationFailedException {#6947 …}
}
Path Message Invalid value Violation
children[category_id] 有効な値ではありません。
"['11']"
ConstraintViolation {#8398
  -message: "有効な値ではありません。"
  -messageTemplate: "This value is not valid."
  -parameters: [
    "{{ value }}" => "['11']"
  ]
  -plural: null
  -root: Form {#8376
    name: ""
    type_class: "Eccube\Form\Type\SearchProductBlockType"
    data: [
      "name" => null
    ]
  }
  -propertyPath: "children[category_id]"
  -invalidValue: "['11']"
  -constraint: Form {#2978 …}
  -code: "1dafa156-89e1-4736-b832-419c2e501fca"
  -cause: TransformationFailedException {#8391 …}
}