WARN  [org.keycloak.services] (executor-thread-7) KC-SERVICES0013: Failed authentication: java.lang.NullPointerException: Cannot invoke "String.replace(char, char)" because "base64Url" is null
     at org.keycloak.common.util.Base64Url.encodeBase64UrlToBase64(Base64Url.java:58)
     at org.keycloak.common.util.Base64Url.decode(Base64Url.java:32)
     at org.keycloak.authentication.authenticators.browser.WebAuthnAuthenticator.action(WebAuthnAuthenticator.java:151)
     at com.twogenidentity.keycloak.authenticator.WebAuthnConditionalMediationAuthenticator.action(WebAuthnConditionalMediationAuthenticator.java:47)
     at org.keycloak.authentication.DefaultAuthenticationFlow.processAction(DefaultAuthenticationFlow.java:154)
     at org.keycloak.authentication.AuthenticationProcessor.authenticationAction(AuthenticationProcessor.java:988)
     at org.keycloak.services.resources.LoginActionsService.processFlow(LoginActionsService.java:362)
     at org.keycloak.services.resources.LoginActionsService.processAuthentication(LoginActionsService.java:333)
     at org.keycloak.services.resources.LoginActionsService.authenticate(LoginActionsService.java:325)
     at org.keycloak.services.resources.LoginActionsService.authenticateForm(LoginActionsService.java:390)
     at org.keycloak.services.resources.LoginActionsService$quarkusrestinvoker$authenticateForm_32b8e198ac3110abd1d5774e83a4cf87858129f4.invoke(Unknown Source)
     at org.jboss.resteasy.reactive.server.handlers.InvocationHandler.handle(InvocationHandler.java:29)
     at io.quarkus.resteasy.reactive.server.runtime.QuarkusResteasyReactiveRequestContext.invokeHandler(QuarkusResteasyReactiveRequestContext.java:141)
     at org.jboss.resteasy.reactive.common.core.AbstractResteasyReactiveContext.run(AbstractResteasyReactiveContext.java:145)
     at io.quarkus.vertx.core.runtime.VertxCoreRecorder$14.runWith(VertxCoreRecorder.java:576)
     at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2513)
     at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1538)
     at org.jboss.threads.DelegatingRunnable.run(DelegatingRunnable.java:29)
     at org.jboss.threads.ThreadLocalResettingRunnable.run(ThreadLocalResettingRunnable.java:29)
     at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
     at java.base/java.lang.Thread.run(Thread.java:840)