Cannot create a new parameter in TPARA table.

Hi All,

I'm trying to create a paramater F03 in TPARA table using SM30.

After i give the package name (SEUA) the Original system automatically changes to SAP (I think it is because parameter will get created in SAP Namespace..no issues so far), then i get a warning "Original system set to SAP". I click on OK button twice and then i get an error message "Package in non-original system only modifiable with Organizer Tools". And it totally fails afterwards.

Can anyone let me know why this is happening?Am i missing anything??

Thanks in advance.