It seems Microsoft have removed a check on Item Ledger Entries existing when deleting Finished Production Orders in 2013. Not sure if you deal with any MFG clients, but might be worth putting this back in to prevent accidental deletion of Finished orders. All related Ledger entries still exist if you delete the order, it’s just the order, related lines etc. that are deleted.

I can’t find any explanation for this either in forums or on Partnersource, would be interested to know if there is a legitimate reason for it.

Code in NAV 5.0 on deleting Production Order – checks for related item ledger entries on Finished orders:

But in NAV 2013/2015 the code is