Why are some orders not deleted by a CTM planning run ?
Fixed orders (also called firmed orders) cannot be deleted by a CTM planning run. An order is fixed if one of the following conditions is fulfilled: 1. The order was fixed manually in the PP/DS product view. 2. A CTM planning run can only delete planned orders, purchase requisitions, transfer-requisitions and substitute-requisitions. All the other order types (forecasts, sales orders, stocks, etc.) cannot be deleted at all by a CTM planning run. Therefore these orders are always considered fixed by CTM. Subcontracting scenario is an exception to this rule. If a purchase requisition for a subcontractor is deleted the corresponding subcontractor production order is also deleted even if it is fixed. 3. Already created PP/DS orders are considered as fixed if a CTM planning run creates SNP orders, but created SNP orders are not fixed when CTM creates only PP/DS orders. 4. CTM considers orders which are not inside the planning horizon as fixed. An order is considered fixed if the start date
