[keycloak-user] Unexpected element '{urn:jboss:domain:keycloak:1.1}subsystem'

Hi, Iam unable to secure war file using jboss subsytem. Can please advise? error : Message: Unexpected element '{urn:jboss:domain:keycloak:1.1}subsystem' at org.jboss.staxmapper.XMLMapperImpl.processNested(XMLMapperImpl.java:108) at org.jboss.staxmapper.XMLExtendedStreamReaderImpl.handleAny(XMLExtendedStreamReaderImpl.java:69) at org.jboss.as.server.parsing.StandaloneXml.parseServerProfile(StandaloneXml.java:1199) at org.jboss.as.server.parsing.StandaloneXml.readServerElement_1_4(StandaloneXml.java:457) at org.jboss.as.server.parsing.StandaloneXml.readElement(StandaloneXml.java:144) at org.jboss.as.server.parsing.StandaloneXml.readElement(StandaloneXml.java:106) at org.jboss.staxmapper.XMLMapperImpl.processNested(XMLMapperImpl.java:110) at org.jboss.staxmapper.XMLMapperImpl.parseDocument(XMLMapperImpl.java:69) at org.jboss.as.controller.persistence.XmlConfigurationPersister.load(XmlConfigurationPersister.java:123) ... 3 more snippet of standalone.xml <subsystem xmlns="urn:jboss:domain:keycloak-server:1.1"> <web-context>auth</web-context> </subsystem> <subsystem xmlns="urn:jboss:domain:keycloak:1.1"> <secure-deployment name="WAR MODULE NAME.war"> <realm>demo</realm> <realm-public-key>MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsy3CI+Un3CTFC/yoMzXNb7+Zm2gExw7khOduINB6wVIZpx+BT60DtXqcr0jZgxsO06ITL1/whVwHBx8G0KNG+t3McoYjXtEgkU5q0F+UA97M863Sg/762dC/2os7KiD/WVreXxA4wuueil/PPGj8YS0EUacx28yOhbhIIbva/jEWCtgKS3r/H6OtxZNM0lE0taimKlNT7NfLTBm/XH6IsdF75QD2WKTdzMHrd92zBg7lzHvp+/tZ7JwGhlR/+9N8O2qnPZWKVub7Wgum30trV8slFhWsneraosG2mnmeJLuIkNtev2gYvuNc5i8uZuKUnrdz2CUWEbViEReWm3uWRwIDAQAB</realm-public-key> <auth-server-url>http://localhost:8080/auth</auth-server-url> <bearer-only>true</bearer-only> <ssl-required>EXTERNAL</ssl-required> <resource>http://localhost:8080/jasperserver-pro/</resource> </secure-deployment> </subsystem> </profile>