OHS 12c error oracle.security.fed.event.EventException: Could not find the AuthnRequest associated to the Assertion

Error: oracle.security.fed.event.EventException: Could not find the AuthnRequest associated to the Assertion CAUSE Configuration of OHS server for mod_weblogic for OAM. The "WLCookieName" parameter for the OHS server configuration is missing or has the wrong value. In this specifc case the value was incorrect, OAMSESSIONID, where as the OAM application uses "OAM_JSESSIONID". login_vh.conf:WLCookieName OAMJESSIONID should be: login_vh.conf:WLCookieName OAM_JSESSIONID. Solution: udpated the login_vh.conf file with the correct parameter and restart the OHS,It should fix the error