assign bussiness systems

Hi Friends,

I am new to XI. I am practicing File to File scenario.

https://www.sdn.sap.com/irj/sdn/wiki?path=/display/xi/flatFILETOFLATFILE&

I struck, please guide me.

I am able to create Product, BS, SWCC, Data types, messages types, Mapping, Message interfaces. All tested my data (messages) showing correctly.

Now i am at Integration Directory here i am created configuration scenario and there i am going to assign business system. here i am not able to find my business system which i created previously.

I am able to find other business system which is not created by me.

Thanks,

Kumar.