HI Adriana,
Its good to know your problem is resolved,
However you have misunderstood the selective import strategy... it is not for doing one by one import of request
kindly read the below documentation from SAP
this is one of main demerits earlier which wasn't supported and above enhancement in SP10 has given a boom to all our existing customer of ChaRM.
Happy to help you again in future and you can close this thread as your issue is resolved
Regards
Prakhar