I'm newbie.. I've seen similar subjects, but no clues. Does anybody know why when trying to employ FiboApp.ear this error happens?

10:35:05,859 INFO [EJBDeployer] Deployed: file:/C:/Program Files/jboss-4.0.4.CR2/server/default/tmp/deploy/tmp56561FiboApp.ear-contents/FiboEJB.jar
10:35:05,906 INFO [TomcatDeployer] deploy, ctxPath=/fibo, warUrl=.../tmp/deploy/tmp56561FiboApp.ear-contents/FiboWeb-exp.war/
10:35:05,921 WARN [ServiceController] Problem starting service jboss.web.deployment:war=FiboWeb.war,id=-1007395305
org.jboss.deployment.DeploymentException: Error during deploy; - nested throwable: (javax.naming.NamingException: ejb-ref: ejb/Fibo, no ejb-link in web.xml and no jndi-name in jboss-web.xml)

Pls help me to fix it. Thnx.