restoring database from sql server query analyzer

[shree]

hi all,

i am using sql server7.0 version.

i have a backup file.

i want to restore my database called test.

iam using the following query to restore database
RESTORE DATABASE test
FROM DISK = 'C:\DBBackup.bak'
but iam getting the following error.

Changed language setting to us_english.
Server: Msg 3624, Level 20, State 1, Line 2

Location: upgraddb.cpp:214
Expression: tableIndex < ARRAY_LEN (upgradeMap)
SPID: 7
Process ID: 3708

Connection Broken

please help regarding this error.
thank you in advance.

sincerely
shree