Help with use bapi_Goodsmvt_create

I follow the ducument of bapi_Goodsmvt_create

GM_Code 01

using

Purchase order '4500014500'

Purchase order item '10'

Movement type '101'

Movement indicator 'B' (according to the ducument)

return error "Special Stock B not supported" WHY?

Best Regards

Message was edited by: Sheng Wang