invalid components: schema "AccountLineItemEntity": invalid example: Error at "/0": Value is not nullable
Schema:
  {
    "properties": {
      "amount": {
        "description": "Invoice line item amount",
        "example": 1,
        "format": "double",
        "type": "number"
      },
      "created_at": {
        "description": "Invoice line item created at date/time",
        "example": "2000-01-01T01:00:00Z",
        "format": "date-time",
        "type": "string"
      },
      "description": {
        "description": "Invoice line item description",
        "example": "Service from 2019-01-01 through 2019-12-31",
        "type": "string"
      },
      "plan": {
        "description": "Plan name",
        "example": "Premier",
        "type": "string"
      },
      "service_end_at": {
        "description": "Invoice line item service end date/time",
        "example": "2000-01-01T01:00:00Z",
        "format": "date-time",
        "type": "string"
      },
      "service_start_at": {
        "description": "Invoice line item service start date/time",
        "example": "2000-01-01T01:00:00Z",
        "format": "date-time",
        "type": "string"
      },
      "site": {
        "description": "Site name",
        "example": "My site",
        "type": "string"
      },
      "type": {
        "description": "Invoice line item type",
        "enum": [
          "invoice",
          "invoice_adjustment",
          "usage_overage",
          "user_overage",
          "addon_subscription",
          "misc_fee",
          "usage_overage_adjustment",
          "user_overage_adjustment",
          "addon_subscription_adjustment",
          "misc_fee_adjustment",
          "credit_expiration"
        ],
        "example": "invoice",
        "type": "string"
      },
      "updated_at": {
        "description": "Invoice line item updated date/time",
        "example": "2000-01-01T01:00:00Z",
        "format": "date-time",
        "type": "string"
      }
    },
    "type": "object",
    "x-docs": null
  }

Value:
  null
