zonecfg -r Fails

The following error message indicates that an attempt to configure a zone in live mode failed:

Failed to commit. the live configuration of the zone changed externally.

To enable the commit to succeed, refresh the zone snapshot with the running zone configuration:

zonecfg:zonename> reload

Repeat the configuration changes that generated the error message.

zonecfg:zonename> zonecfg-subcommands
zonecfg:zonename> commit
zonename: Checking: zonecfg-subcommands
zonename: Applying changes