How To Fix CY450 - Planned order &1 operation &2 were deleted on rescheduling

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 450

• Message text: Planned order &1 operation &2 were deleted on rescheduling

What causes this issue?

If you dispatch, reschedule or deallocate a planned order the system
reschedules it. It reads in the new routing to do this.
One of the following problems has probably arisen while the routing was
being read in or during scheduling:
The planned order was now scheduled using different scheduling
parameters.
No valid routing was found.
The operation does not exist in the valid routing.

System Response

The original operation and the capacity requirements belonging to it
were deleted.

How to fix this error?

Check the scheduling parameters and the routing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY450 - Planned order &1 operation &2 were deleted on rescheduling ?

  The SAP error message CY450 indicates that a planned order operation has been deleted during the rescheduling process. This can occur for various reasons, and understanding the cause and finding a solution is essential for effective production planning.
  Cause:
  
  Changes in Demand: If the demand for a product changes, it may lead to the deletion of planned orders that are no longer necessary.
  Capacity Constraints: If there are capacity issues or constraints in the production process, the system may delete planned orders to optimize scheduling.
  Order Modifications: Changes made to the production order or planned order, such as changes in routing or bill of materials, can lead to the deletion of operations.
  Rescheduling Parameters: The parameters set for rescheduling may be too strict, causing the system to delete operations that do not meet the new criteria.
  Material Availability: If materials required for the planned order are not available, the system may delete the order or its operations.
  
  Solution:
  
  Review Demand Changes: Check if there have been any changes in demand that could have led to the deletion of the planned order. Adjust the demand planning accordingly.
  Check Capacity Planning: Review the capacity planning settings to ensure that there are no constraints that would lead to the deletion of operations. Adjust capacity if necessary.
  Examine Order Modifications: Look into any recent changes made to the production or planned orders. Ensure that all necessary components and operations are still valid.
  Adjust Rescheduling Parameters: Review the rescheduling parameters in the system. If they are too strict, consider relaxing them to allow for more flexibility in scheduling.
  Material Availability Check: Ensure that all materials required for the planned order are available. If not, address any material shortages before rescheduling.
  Use Transaction Codes: Utilize transaction codes like MD04 (Stock/Requirements List) or COHV (Mass Processing of Production Orders) to analyze the situation further.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Documentation: Refer to SAP documentation for detailed information on production planning and rescheduling processes.
  User Forums: Engage with SAP user communities or forums where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the CY450 error and implement a solution to prevent it from occurring in the future.