Khi copy csdl từ máy khác qua attach vào máy của mình thì nó bảo lỗi như thế này. Ai biết giúp mình với?

Infomation Code:
  1. TITLE: Microsoft SQL Server Management Studio
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  3. Attach database failed for Server 'TUANVU199X-PC\SQLEXPRESS'.  (Microsoft.SqlServer.Smo)
  4. For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=10.50.1750.9+((dac_inplace_upgrade).101209-1051+)&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Attach+database+Server&LinkId=20476
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  7. ADDITIONAL INFORMATION:
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  9. An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
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  13. The database 'quanlybansach' cannot be opened because it is version 661. This server supports version 655 and earlier. A downgrade path is not supported.
  14. Could not open new database 'quanlybansach'. CREATE DATABASE is aborted. (Microsoft SQL Server, Error: 948)
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  16. For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=948&LinkId=20476
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  19. BUTTONS:
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  21. OK
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