报错信息: inpage.js:1 MetaMask - RPC Error: Invalid parameters: must provide an Ethereum address. {code: -32602, message: "Invalid parameters: must provide an Ethereum address.", stack: "Error: Invalid parameters: must provide an Ethereu…eogaeaoehlefnkodbefgpgknn/background.js:1:1241245"}

web3.min.js:8 Uncaught (in promise) {code: -32602, message: "Invalid parameters: must provide an Ethereum address.", stack: "Error: Invalid parameters: must provide an Ethereu…eogaeaoehlefnkodbefgpgknn/background.js:1:1241245"} 出错函数：

userAccount='0x132ce95a0421804DDee106821dDA834A062055D8';
    function setinfo(name,age) {
        myContract.methods.setInfo(name,age).send({ from:'userAccount'});
    }