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使用端点 (opc.tcp://{serverIP:port}/OPCUASserver) 连接到 OPCUA 服务器时，我收到一个我不知道如何解释的错误。

我创建一个 OPCUAClient 使用：

let client = OPCUAClient.create(clientOptions);

然后调用connect

try {
    await client.connect(connection.endpoint);
} catch (err) {
    console.log('opcuaClient: connection error: ', err);

这是打印到控制台的日志消息：

opcuaClient: connection error:  Error: Invalid position : buf.length=0 pos =0
    at readTag (/node_js/app/node_modules/node-opcua-crypto/dist/source/asn1.js:36:15)
    at Object.split_der (/node_js/app/node_modules/node-opcua-crypto/dist/source/crypto_explore_certificate.js:569:47)
    at OPCUAClientImpl.getCertificate (/node_js/app/node_modules/node-opcua-common/dist/opcua_secure_object.js:37:52)
    at OPCUAClientImpl.<anonymous> (/node_js/app/node_modules/node-opcua-client/dist/verify.js:106:34)
    at Generator.next (<anonymous>)
    at /node_js/app/node_modules/node-opcua-client/dist/verify.js:8:71
    at new Promise (<anonymous>)
    at __awaiter (/node_js/app/node_modules/node-opcua-client/dist/verify.js:4:12)
    at OPCUAClientImpl.performCertificateSanityCheck (/node_js/app/node_modules/node-opcua-client/dist/verify.js:104:12)
    at OPCUAClientImpl.<anonymous> (/node_js/app/node_modules/node-opcua-client/dist/private/client_base_impl.js:569:62)
    at Generator.next (<anonymous>)
    at /node_js/app/node_modules/node-opcua-client/dist/private/client_base_impl.js:8:71
    at new Promise (<anonymous>)
    at __awaiter (/node_js/app/node_modules/node-opcua-client/dist/private/client_base_impl.js:4:12)
    at /node_js/app/node_modules/node-opcua-client/dist/private/client_base_impl.js:566:122
    at Object.<anonymous> (/node_js/app/node_modules/@ster5/global-mutex/dist/source/index.js:194:26)

我不确定这个错误是什么意思。
谢谢！

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