SROAP04005: Could not find schema class in index: org.reactivestreams.Publisher

12:28:33 10:28:33,407 INFO  [org.jboss.resteasy.resteasy_jaxrs.i18n] (ServerService Thread Pool -- 77) RESTEASY002225: Deploying jakarta.ws.rs.core.Application: class org.wildfly.quickstarts.microprofile.reactive.messaging.JaxRsApplication
12:28:33 10:28:33,436 INFO  [org.wildfly.extension.undertow] (ServerService Thread Pool -- 77) WFLYUT0021: Registered web context: '/microprofile-reactive-messaging-kafka' for server 'default-server'
12:28:33 10:28:33,453 WARN  [io.smallrye.openapi.runtime.scanner] (MSC service thread 1-6) SROAP04005: Could not find schema class in index: org.reactivestreams.Publisher
12:28:33 10:28:33,478 INFO  [org.wildfly.extension.microprofile.openapi.smallrye] (MSC service thread 1-3) WFLYMPOAI0004: Registered MicroProfile OpenAPI endpoint '/openapi' for host 'default-host'
12:28:33 10:28:33,490 INFO  [org.jboss.as.server] (management-handler-thread - 1) WFLYSRV0010: Deployed "microprofile-reactive-messaging-kafka.war" (runtime-name : "microprofile-reactive-messaging-kafka.war")