Patch updated successful but Manages server not start
We got the following error while starting mange server . please look into this and suggest .
weblogic.management.ManagementException: [Management:141266]Parsing Failure in config.xml: weblogic.management.internal.ManagementTextTextFormatter.getDefaultMigratableSuffix()Ljava/lang/String;
at weblogic.management.provider.internal.RuntimeAccessImpl.<init>(RuntimeAccessImpl.java:127)
at weblogic.management.provider.internal.RuntimeAccessService.start(RuntimeAccessService.java:41)
at weblogic.t3.srvr.ServerServicesManager.startService(ServerServicesManager.java:461)
at weblogic.t3.srvr.ServerServicesManager.startInStandbyState(ServerServicesManager.java:166)
at weblogic.t3.srvr.T3Srvr.initializeStandby(T3Srvr.java:881)
at weblogic.t3.srvr.T3Srvr.startup(T3Srvr.java:568)
at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:469)
at weblogic.Server.main(Server.java:71)