{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/MainError",
  "title": "MainError",
  "required": [
    "code",
    "message"
  ],
  "type": "object",
  "properties": {
    "code": {
      "type": "string"
    },
    "message": {
      "type": "string"
    },
    "target": {
      "type": "string",
      "nullable": true
    }
  }
}