Recovering CDB and SBD from MaxDB

Hi Everyone.

I am recovering a Content server database as part of the upgrade process of Content server 6.40 (32-bit) to Content server 6.50 (64-bit).

The source database version is MaxDB 7.5.00.51, the target database is version is 7.9.08.08. I am using DBStudio version 7.9.08.25 and following SAP notes 9620109 and 129352.

I have created backups of the source system using the DBStudio and transferred the files to the target server. I can recover the SDB database without any issues, however when I try to recover the CDB instance I get the following error:

Am I missing something? The file definition is the same for both the source and the target.

Thanks