我是区块链、智能合约和近协议方面的新手。我正在尝试从https://near.academy/学习。测试网上有一个示例合约：museum.testnet。
我使用的是 Windows，并且安装了 wsl2。
我可以用
near login命令登录。但在那之后，当我调用near view museum.testnet getmemecount命令时，它给了我下面的错误。谁可以帮我这个事？
View call: museum.testnet.getmemecount()
An error occured
Error: Querying [object Object] failed: wasm execution failed with error: FunctionCallError(MethodResolveError(MethodNotFound)).
{
"block_hash": "SZv8UsCeNXLkhjPa9KeZY6xJXmKNb6MLyKXqHVddiT5",
"block_height": 65109663,
"error": "wasm execution failed with error: FunctionCallError(MethodResolveError(MethodNotFound))",
"logs": []
}
at JsonRpcProvider.query (/home/cinar/.nvm/versions/node/v14.18.0/lib/node_modules/near-cli/node_modules/near-api-js/lib/providers/json-rpc-provider.js:116:19)
at processTicksAndRejections (internal/process/task_queues.js:95:5)
at async Account.viewFunction (/home/cinar/.nvm/versions/node/v14.18.0/lib/node_modules/near-cli/node_modules/near-api-js/lib/account.js:351:24)
at async exports.callViewFunction (/home/cinar/.nvm/versions/node/v14.18.0/lib/node_modules/near-cli/index.js:75:48)
at async Object.handler (/home/cinar/.nvm/versions/node/v14.18.0/lib/node_modules/near-cli/utils/exit-on-error.js:52:9)
TypedError: Querying [object Object] failed: wasm execution failed with error: FunctionCallError(MethodResolveError(MethodNotFound)).
{
"block_hash": "SZv8UsCeNXLkhjPa9KeZY6xJXmKNb6MLyKXqHVddiT5",
"block_height": …