Roller 5.0 with MSSQL SERVER database

[杨雪枫]

I get success on configure  Roller 4.01 with   MSSQL SERVER database,But  on 
roller 5.0,when i create first weblog after user creation, I get the message 
"Status Code 500 Message The transaction has been rolled back. See the nested 
exceptions for details on the errors that occurred. Type Exception 
Roller?????????",what's that?
sorry for my poor english.