Cabletron Systems SmartSwitch Router Reference Manual page 123

-OSPF-E-INVBACKBONECFG
config greater than 1 but backbone has invalid configured.
Explanation:
There are 2 or more non-backbone areas configured. A valid backbone area is
required.
Recommended Action:
Correct the configuration of the backbone area.
-OSPF-E-INVCFG OSPF cannot run because of invalid configuration.
Explanation:
This message appears when OSPF could not be started. A more detailed message is
also displayed explaining the cause of the failure.
Recommended Action:
Refer to the more detailed message.
-OSPF-E-INVMD5KEY Invalid MD5 key <key_name> (len=<number>,
max=<number>).
Explanation:
This message appears when the MD5 key assigned to one of the OSPF interfaces is
invalid.
Recommended Action:
Make sure that the length of the key is within the valid range.
SSR-8 Error Reference Manual
Chapter 19: OSPF Error Messages
Number of areas (<number>) with valid
19 - 5