CORBA error while saving Crystal Report to BI Platform 4

Hi,

I need your help for a new error I got after making some change in CMC security.

1. I have a crystal report that was already saved on BI Platform 4.
2. I made some changes in the credentials logon to the sap database as well as the user security.
3. Right after those changes I got error message related to credentials (unfornately I don't have this message anymore). So I have deleted the report on the BI platform.
4. I am now able to run the report from the crystal report 2011.
5. While trying to save again on the BI platform I have the following error message:
   1. IDL:omg.org/CORBA/UserException:1.0 has been thrown. Reason for failing: .

I'm new to the BI platform and have not found anything specific to that error message.

Thanks for your help.

Steve