What the Message "There are no Valid Inventory Locations for this part for this Type of Transaction" means. This message is a general message user gets when the program can not find any warehouse/location for this part number. The program checks much more than just the part is locked in cycle count or physical inventory.  It also filters out "MRB" warehouse(for receiving), can not be "WIP" or "WO-WIP", can not be marked as "deleted", apply instore criteria.... It all checks in one or few SQL commands, it filters out all records that don't meet the criteria. If all records are filtered out, then user will get this message.