work order commitments

Hi On parts lists/Work order commitment screens, I noticed that some some lines have the lot number displayed in bold on the parts list/ . I guess this is some kind of a warning. Any idea of why some batches are displayed this way? Thanks in advance.

Hi, i am not an inventory specialist so apologies in advance if my explanation is poor! I have an item at a branch which is telling me that 3 parts are committed on Work Orders (i see this in P41202 - Detail Availability) and therefore are being deducted from the On-Hand stock at the Branch...