subscriptionOfferCodes 500 Error

When i create a subscription offer, the following error occurred, and there is no corresponding log ID.

{
  "errors": [
    {
      "status": "500",
      "code": "UNEXPECTED_ERROR",
      "title": "An unexpected error occurred.",
      "detail": "An unexpected error occurred on the server side. If this issue continues, contact us at https://developer.apple.com/contact/."
    }
  ]
}
https://api.appstoreconnect.apple.com/v1/subscriptionOfferCodes

The invoked open API: https://api.appstoreconnect.apple.com/v1/subscriptionOfferCodes

This is my request data:

{
  "data": {
    "type": "subscriptionOfferCodes",
    "attributes": {
      "duration": "ONE_YEAR",
      "numberOfPeriods": 1,
      "offerMode": "PAY_AS_YOU_GO",
      "name": "test_error_issue2",
      "customerEligibilities": [
        "NEW"
      ],
      "offerEligibility": "STACK_WITH_INTRO_OFFERS"
    },
    "relationships": {
      "prices": {
        "data": [
          {
            "id": "${sg-30-offerCode}",
            "type": "subscriptionOfferCodePrices"
          }
        ]
      },
      "subscription": {
        "data": {
          "id": "6738041235",
          "type": "subscriptions"
        }
      }
    }
  },
  "included": [
    {
      "id": "${sg-30-offerCode}",
      "type": "subscriptionOfferCodePrices",
      "relationships": {
        "subscriptionPricePoint": {
          "data": {
            "id": "eyJzIjoiNjczODA0MTIzNSIsInQiOiJTR1AiLCJwIjoiMTAxODcifQ",
            "type": "subscriptionPricePoints"
          }
        }
      }
    }
  ]
}