在将 nft 资产上传到 Solana 网络时出现此错误：
Beginning the upload for 22 (img+json) pairs
started at: 1646166389888
initializing candy machine
Error deploying config to Solana network. Error: Invalid config, there must be a symbol.
at createCandyMachineV2
(C:\Users\Desktop\my_project\metaplex\js\packages\cli\src\helpers\accounts.ts:126:11)
at uploadV2
(C:\Users\Desktop\my_project\metaplex\js\packages\cli\src\commands\upload.ts:133:45)
at Command.<anonymous> (C:\Users\Desktop\my_project\metaplex\js\packages\cli\src\candy-
machine-v2-cli.ts:228:21)
at processTicksAndRejections (node:internal/process/task_queues:96:5)
upload was not successful, please re-run. Error: Invalid config, there must be a symbol.
at createCandyMachineV2
(C:\Users\Desktop\my_project\metaplex\js\packages\cli\src\helpers\accounts.ts:126:11)
at
uploadV2(C:\Users\Desktop\my_project\metaplex\js\packages\cli\src\commands\upload.ts:133:45)
at Command.<anonymous>
(C:\Users\Desktop\my_project\metaplex\js\packages\cli\src\candymachinev2-cli.ts:228:21)
at processTicksAndRejections (node:internal/process/task_queues:96:5)
我正在使用以下命令通过 CLI 上传资产：
ts-node metaplex/js/packages/cli/src/candy-machine-v2-cli.ts upload -e devnet -k
config/solana/devnet.json -cp config.json metaplex/assets