Metaplex Sugarで「Failed to upload all files」エラー

現象

Metaplex Sugarを実行してNFTをアップロードすると以下のエラー。

ターミナル:

 % sugar launch
Starting Sugar launch... 🚀

>>> sugar validate

[1/1] 🗂  Loading assets
▪▪▪▪▪ Validating 2 metadata file(s)...

Validation complete, your metadata file(s) look good.

>>> sugar upload

[1/4] 🗂  Loading assets
Found 2 asset pair(s), uploading files:
+--------------------+
| images    |      0 |
| metadata  |      2 |
+--------------------+

[2/4] 🖥  Initializing upload
▪▪▪▪▪ Connected
Funding address:
  -> pubkey: HXtBm8XZbxaTt41uqaKhwUAa6Z1aPyvJdsZVENiWsetg
  -> lamports: 8450 (◎ 0.00000845)
Signature: 5wNHQ5weBPo9FQyy9Jwq8TcLCHJaXpoQFPueciWnBJaQoNsDfd15pxwEKJeRucEBnW1hvcbdRdQLWFv3BfS3WuJ

[3/4] 📤 Uploading image files (skipping)

[4/4] 📤 Uploading metadata files

Sending data: (Ctrl+C to abort)
[00:00:00] Upload failed ███████████████████████████████████████████████████████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ 1/2

1/2 asset pair(s) uploaded.

🛑 Error running command (re-run needed): Failed to upload all files, 1 error(s) occurred:

config.json:

{
  "price": 0.000001,
  "number": 1,
  "gatekeeper": null,
  "creators": [
    {
      "address": "HXtBm8XZbxaTt41uqaKhwUAa6Z1aPyvJdsZVENiWsetg",
      "share": 100
    }
  ],
  "solTreasuryAccount": "HXtBm8XZbxaTt41uqaKhwUAa6Z1aPyvJdsZVENiWsetg",
  "splTokenAccount": null,
  "splToken": null,
  "goLiveDate": "08 Dec 2022 00:00:00 +0000",
  "endSettings": null,
  "whitelistMintSettings": null,
  "hiddenSettings": null,
  "freezeTime": null,
  "uploadMethod": "bundlr",
  "retainAuthority": true,
  "isMutable": true,
  "symbol": "K",
  "sellerFeeBasisPoints": 500,
  "awsS3Bucket": null,
  "nftStorageAuthToken": null,
  "shdwStorageAccount": null
}

原因

「0.000001」とpriceが低すぎた。

対応

「0.001」にpriceを変更。

config.json:

{
  "price": 0.001,
  "number": 1,
  "gatekeeper": null,