Syclo Inventory Manager - Physical Inventory Creation or Add

Hi All,

     In Syclo Inventory Manager - Physical Inventory Add , Im getting the Initial screen I can give planned and created date , plant and Storage location

  with that im clicking the FINISH button it is taking to next screen to Add Material screen , where im finding the Material Input field is DISABLED that is

   GREYED OUT . Please let me know how to ENABLE the Material Input field .

Thanks and Regards

V.Ganesan.