R12 Cloning issues

AC-50207: Fatal: Failed to execute one or more of the config tools during Context Value Management

------Appstier cloning------
Beginning application tier Apply - Tue Dec 21 20:20:14 2010

/12i/apps/apps_st/comn/clone/bin/../jre/bin/java -Xmx600M -DCONTEXT_VALIDATED=true -Doracle.installer.oui_loc=/oui -classpath /12i/apps/apps_st/comn/clone/jlib/xmlparserv2.jar:/12i/apps/apps_st/comn/clone/jlib/ojdbc14.jar:/12i/apps/apps_st/comn/clone/jlib/java:/12i/apps/apps_st/comn/clone/jlib/oui/OraInstaller.jar:/12i/apps/apps_st/comn/clone/jlib/oui/ewt3.jar:/12i/apps/apps_st/comn/clone/jlib/oui/share.jar:/12i/apps/apps_st/comn/clone/jlib/oui/srvm.jar:/12i//apps/apps_st/comn/clone/jlib/ojmisc.jar oracle.apps.ad.clone.ApplyAppsTier -e /12i/inst/apps/inst_machine//appl/admin/inst_machine.xml -stage /12i/apps/apps_st/comn/clone -showProgress
APPS Password : Log file located at /12i/inst/apps/inst_machine/admin/log/ApplyAppsTier_12212020.log

3% completed

AC-50207: Fatal: Failed to execute one or more of the config tools during Context Value Management
Deactivating Context Value Management System.

Restored the Context file in :
/12i/inst/apps/inst_machine/appl/admin/inst_machine.xml
Aborting the running of Context Value Management
Error occured before Context Value Management could be completed

- 78% completed

Completed Apply...
Tue Dec 21 20:30:42 2010

If you ignore this error, cloning will be completed sucessfully