Getting Error through FM 'L_TO_CREATE_SINGLE'

Hi All,

       I am trying to use the Function Module 'L_TO_CREATE_SINGLE' getting errors like "Mixed storage is not allowed in storage type 004" and also for some of the materials getting "Not all the data has been defined for the capacity check (material xxxxxxxx)". Why I am getting I don't know, Please suggest me ASAP If any one knows.

Thanks,

Santhosh