- process all transfers - process all wastage - process all invoices then - process stock taking operation report > stock reports > stock summary quantity single unit > sort order = stksum export where consumption is negative has to be fixed with a new value to be at least 0 ore more to calculate the new matching value is: closing - cosumption note each production code and quantity to and the value calculated for corrction crorection stock taking > stock take type = correction > refresh items > select center > create new line > insert all product with relative quantity and calculated value then save, check and process