请问这个是什么问题？

请问这个是什么问题：

使用mse nacos， spring cloud alibaba组件，连接nacos后一直报错， [s.client.Worker]

c.a.n.c.a.i.process.HttpLoginProcessor : login failed:

{"code":500,"message":"caused: No AuthenticationProvider found for

org.springframework.security.authentication.UsernamePasswordAuthenticationToken;","header":{"header":{"Accept-Charset":"UTF-8","Connection":"close","Content-Length":"124","Content-Type":"text/html;charset=UTF-8","Date":"Thu, 30 Jun 2022 05:44:02

GMT"},"originalResponseHeader":{"Connection":["close"],"Content-Length":["124"],"Content-Type":["text/html;charset=UTF-8"],"Date":["Thu, 30 Jun 2022 05:44:02 GMT"]},"charset":"UTF-8"}