java.lang.IllegalStateException: No provider found for class org.springframework.security.oauth2.client.authentication.OAuth2AuthorizationCodeAuthenticationToken
	at org.springframework.security.web.server.authentication.AuthenticationWebFilter.lambda$authenticate$5(AuthenticationWebFilter.java:117) ~[spring-security-web-5.3.2.RELEASE.jar:5.3.2.RELEASE]
	Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: 
Error has been observed at the following site(s):
	|_ checkpoint ⇢ org.springframework.security.oauth2.client.web.server.authentication.OAuth2LoginAuthenticationWebFilter [DefaultWebFilterChain]
	|_ checkpoint ⇢ org.springframework.security.oauth2.client.web.server.OAuth2AuthorizationRequestRedirectWebFilter [DefaultWebFilterChain]
	|_ checkpoint ⇢ org.springframework.security.web.server.context.ReactorContextWebFilter [DefaultWebFilterChain]
	|_ checkpoint ⇢ org.springframework.security.web.server.header.HttpHeaderWriterWebFilter [DefaultWebFilterChain]
	|_ checkpoint ⇢ org.springframework.security.config.web.server.ServerHttpSecurity$ServerWebExchangeReactorContextWebFilter [DefaultWebFilterChain]
	|_ checkpoint ⇢ org.springframework.security.web.server.WebFilterChainProxy [DefaultWebFilterChain]
	|_ checkpoint ⇢ org.springframework.boot.actuate.metrics.web.reactive.server.MetricsWebFilter [DefaultWebFilterChain]
	|_ checkpoint ⇢ HTTP GET "/login/oauth2/code/sso?code=hXfZK4&state=QkxHYN0lTCHkEeoYqSIe5eqtC1A4ZKDB6O4qbb-zFuo%3D" [ExceptionHandlingWebHandler]
Stack trace:
		at org.springframework.security.web.server.authentication.AuthenticationWebFilter.lambda$authenticate$5(AuthenticationWebFilter.java:117) ~[spring-security-web-5.3.2.RELEASE.jar:5.3.2.RELEASE]
		......

这个错，全网只有一个答案：https://stackoverflow.com/questions/59818343/no-provider-found-for-class-org-springframework-security-oauth2-client-authentic

我试了试，无法解决，特来求助老师！