occur some errors
[root@localhost anonymous-zether]# node packages/example/
Error: Node error: {"code":-32000,"message":"unknown account"}
at Function.validate (/home/hook/zether/anonymous-zether/node_modules/web3-providers/dist/web3-providers.cjs.js:117:18)
at HttpProvider._callee$ (/home/hook/zether/anonymous-zether/node_modules/web3-providers/dist/web3-providers.cjs.js:792:61)
at tryCatch (/home/hook/zether/anonymous-zether/node_modules/regenerator-runtime/runtime.js:45:40)
at Generator.invoke [as _invoke] (/home/hook/zether/anonymous-zether/node_modules/regenerator-runtime/runtime.js:271:22)
at Generator.prototype. [as next] (/home/hook/zether/anonymous-zether/node_modules/regenerator-runtime/runtime.js:97:21)
at asyncGeneratorStep (/home/hook/zether/anonymous-zether/node_modules/@babel/runtime/helpers/asyncToGenerator.js:3:24)
at _next (/home/hook/zether/anonymous-zether/node_modules/@babel/runtime/helpers/asyncToGenerator.js:25:9)
at processTicksAndRejections (internal/process/task_queues.js:85:5)
occur some errors [root@localhost anonymous-zether]# node packages/example/ Error: Node error: {"code":-32000,"message":"unknown account"} at Function.validate (/home/hook/zether/anonymous-zether/node_modules/web3-providers/dist/web3-providers.cjs.js:117:18) at HttpProvider._callee$ (/home/hook/zether/anonymous-zether/node_modules/web3-providers/dist/web3-providers.cjs.js:792:61) at tryCatch (/home/hook/zether/anonymous-zether/node_modules/regenerator-runtime/runtime.js:45:40) at Generator.invoke [as _invoke] (/home/hook/zether/anonymous-zether/node_modules/regenerator-runtime/runtime.js:271:22) at Generator.prototype. [as next] (/home/hook/zether/anonymous-zether/node_modules/regenerator-runtime/runtime.js:97:21)
at asyncGeneratorStep (/home/hook/zether/anonymous-zether/node_modules/@babel/runtime/helpers/asyncToGenerator.js:3:24)
at _next (/home/hook/zether/anonymous-zether/node_modules/@babel/runtime/helpers/asyncToGenerator.js:25:9)
at processTicksAndRejections (internal/process/task_queues.js:85:5)