合约部署错误

[CtyptoIng]

$ sudo node deploy.js
data {}
start deploying...
create NFT721...
create NFT721 error execution reverted: Roles: account already has role
0x08c379a00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001f526f6c65733a206163636f756e7420616c72656164792068617320726f6c6

[978740431]

我也是这个错误，请问解决了吗？

[CplSafe]

我在编译的时候报错，请问您遇到过吗

[cheyue]

合约那块它文档和实际合约操作是不一致的，大家研究一下他的合约。