org.springframework.web.client.HttpClientErrorException$BadRequest: 400 Bad Request: "{"code":100401,"data":{},"msg":"param error"}"

根据提供的引用内容，出现的错误信息是"org.springframework.web.client.HttpClientErrorException$BadRequest: 400 Bad Request: "{\"code\":100401,\"data\":{},\"msg\":\"param error\"}"。这是一个HTTP 400错误，表示请求存在错误。错误信息中显示了一个名为"code"的属性，其值为100401，"data"属性的值为空，"msg"属性的值为"param error"。这个错误是由于请求参数错误导致的。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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