How To Fix CY753 - Order &: Scheduling not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 753

• Message text: Order &: Scheduling not possible

What causes this issue?

You are trying to dispatch an operation from an order that has
relationships to other orders or is part of a collective order.

System Response

The system could not lock all the orders involved. Thus midpoint
scheduling could not be carried out for the order of the operation to
be dispatched and for the order involved.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

If you start the planning table in the work center view enter on the
object screen the work centers of the orders involved. If you use a
filter, make sure that all the order involved are selected as well.
If you start the planning table in the order view enter the numbers of
the orders involved on the object screen.
Make sure that no order involved is locked by another user when
scheduling takes place.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY753 - Order &: Scheduling not possible ?

  The SAP error message CY753 ("Order &: Scheduling not possible") typically occurs in the context of production planning and scheduling within the SAP system. This error indicates that the system is unable to schedule a production order due to various reasons. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Capacity Constraints: The work center may not have enough capacity available during the required scheduling period.
  Missing Master Data: Required master data such as routing, work center, or production version may be incomplete or missing.
  Incorrect Dates: The start or finish dates of the order may be set incorrectly, leading to scheduling conflicts.
  Material Availability: The necessary materials for the production order may not be available, preventing scheduling.
  Scheduling Parameters: The scheduling parameters in the order or in the work center may not be set correctly.
  Resource Conflicts: Other orders may be scheduled at the same time, leading to resource conflicts.
  
  Solutions:
  
  Check Capacity: Review the capacity of the work center to ensure that there is enough available capacity for the order. You can do this by checking the capacity planning reports.
  Review Master Data: Ensure that all relevant master data (routing, work center, production version) is complete and correctly configured.
  Adjust Dates: Verify and adjust the start and finish dates of the order to ensure they are realistic and do not conflict with other orders.
  Check Material Availability: Use the Material Requirements Planning (MRP) functionality to check if all required materials are available for the order.
  Review Scheduling Parameters: Check the scheduling parameters in the order and the work center settings to ensure they are appropriate for the production process.
  Resolve Resource Conflicts: If there are other orders scheduled at the same time, consider rescheduling them or adjusting their priorities.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like CO02 (Change Production Order) to review the order details and make necessary adjustments.
  Reports: Use reports such as COOIS (Order Information System) to analyze production orders and their statuses.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Consult Documentation: Refer to SAP documentation for detailed information on production order scheduling and capacity planning.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in production planning and scheduling.