While creating STO system is throwing error as

Dear all,

I have a proble with STO.While creating <b><u>STO Stock Transport Order with Delivery via Shipping</u></b> getting error as maintain the shipping data for material.

1.have maintained the material for both the plant.

2.then chosen suplying plant as vendor.

3.after that above error is coming.

and the error msg is taking me to the SPRO>IMG>Materials mngnt>Purchase order>Set Up Stock Transport Order>maintain shipping data for the plant.

but am bit confuse with this setting kindly pls help me in this regard for the SPRO settings and how/what to maintain in >maintain shipping data for the plant.

Thank you all