mrp run in online regenerative planning of type processing key- neupl

Dear Sapgurus,

I had created finished product in which it contains the semfinished products and rawmaterials when i run first time in md02 of processing key neupl here i am getting the message it is invalid for single item planning .

I kindly request to guide me the path to run in neupl by giving finished product no and plant.

regards,

muralidhar.t