In Ties, you can record waste products that reduce the stock balance as follows:

Create a new discount on the HQ portal
Report name and description: loss
Type percent: 100%
Amount of discount 100 %

Create a new payment method for the point of sale under the name of loss

Sell products at checkout and add 100 % discount (make sure that product discounts are allowed)
Decide on a masquerade Disposal

Get reports on products that have gone to waste on the Product Group Reports page
Select the filters you want and choose Waste as the payment method