I'm trying to update ServiceDesk from version 8027 to 8100. In the process, in the process, an error has occurred: 

Migration has not started as Data is Improper. Some default product types [Software] ins not available. 

So please contact the ServiceDesk Support team. 

The installations have this upgrades: 

7600.0.11.0

7600.2.0.0

8000.0.27.0

Any suggestions? 

Regards