Sat Sep 12 00:28:34.870 UTC
RP/0/RP0/CPU0:R2#configure
Sat Sep 12 00:28:35.073 UTC
RP/0/RP0/CPU0:R2(config)#router ospf 1

RP/0/RP0/CPU0:R2(config-ospf)#area 1

RP/0/RP0/CPU0:R2(config-ospf-ar)#stub

RP/0/RP0/CPU0:R2(config-ospf-ar)#commit

Sat Sep 12 00:28:37.001 UTC

% Failed to commit one or more configuration items during a pseudo-atomic operation. All changes made have been reverted. Please issue 'show configuration failed [inheritance]' from this session to view the errors
RP/0/RP0/CPU0:R2(config-ospf-ar)#show configuration failed

Sat Sep 12 00:28:44.920 UTC
!! SEMANTIC ERRORS: This configuration was rejected by 
!! the system due to semantic errors. The individual 
!! errors with each failed configuration command can be 
!! found below.

router ospf 1
 area 1
  stub
!!% 'OSPF' detected the 'warning' condition 'Error: The specified area cannot be a stub or nssa as it contains a virtual link'
 !
!
end

RP/0/RP0/CPU0:R2(config-ospf-ar)#end

Uncommitted changes found, commit them before exiting(yes/no/cancel)? [cancel]:yes

% Failed to commit one or more configuration items during a pseudo-atomic operation. All changes made have been reverted. Please issue 'show configuration failed [inheritance]' from this session to view the errors
RP/0/RP0/CPU0:R2(config)#exit

Uncommitted changes found, commit them before exiting(yes/no/cancel)? [cancel]: