Proposal storage bin using Function Module L_TO_PREPARE_ITEM_INT

Hi Experts,

I am using function module L_TO_PREPARE_ITEM_INT to get proposed storage bin, its working fine in once i call this function module in my program,

but some times i need to call this function module again for pick second storage bin if first pick storage bin is full.

But its giving first storage bin data only. i need to block first storage bin and pick next storage bin only. can any one give me solustion

Thanks

Raghav