Error when importing data from AS/400 - appeared after SP1

I cannot transfer a list of tables from AS/400 to SQL 2005, in SQL Server
Import and Export Wizard.
This is what happends:
In SQL server Import and Export wizard, I choose IBM AS400 OLE DB Provider,
with Properties:
Data Source: (IP adress of my AS/400)
User name, password: (My username/password on AS/400)
Default Collection: (library on AS/400)
Then I choose destination database, and Next, it starts transfering list of
tables . After a few seconds I get this error:
'IBMDA400.DataSource.1' failed with no error message available, result code:
E_INVALIDARG (0x80070057)
Additional Information:
'IBMDA400.DataSource.1' failed with no error message available, result code:
E_INVALIDARG (0x80070057). (System.Data)
Error appeared shortly after installation of SP1, so I suspect of SP1
(although I am not yet sure) . Error happends always, nevermind the number
of tables in library.
This is important error for us because we cannot do transfer from AS400 at
all.I have gotten the same error and I was wondering if you had found an
answer to this problem?
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