How To Fix CN745 - Changes to sales order item can influence requirements planning

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 745

• Message text: Changes to sales order item can influence requirements planning

What causes this issue?

You changed a material component allocation to a sales order item.

System Response

The system does not check whether planned or production orders were
generated for material reservations. Therefore, the change can effect
requirements planning since requirements occur in another planning
segment.

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.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN745 - Changes to sales order item can influence requirements planning ?

  The SAP error message CN745 indicates that changes made to a sales order item may have implications for requirements planning. This message typically arises when there are modifications to the sales order that could affect the availability of materials or the planning of production and procurement processes.
  Cause:
  The error message CN745 is triggered when:
  
  Changes to Sales Order: Any changes made to the sales order item, such as quantity, delivery date, or item details, can impact the requirements planning.
  Dependencies: The sales order item may be linked to other planning elements, such as production orders, purchase orders, or stock levels.
  Planning Parameters: The system detects that the changes could lead to discrepancies in the planning data, which may affect the overall supply chain and inventory management.
  
  Solution:
  To resolve the CN745 error message, consider the following steps:
  
  Review Changes: Analyze the changes made to the sales order item. Ensure that they are necessary and justified.
  Check Dependencies: Investigate any dependencies that the sales order item has with other orders or planning elements. This may involve checking related production orders, purchase orders, or stock levels.
  Recalculate Requirements: After making the necessary changes, you may need to trigger a recalculation of requirements. This can often be done through the planning transaction (e.g., MD04 for stock/requirements list).
  Consult with Planning Team: If you are unsure about the implications of the changes, consult with your planning or supply chain team to understand the potential impact on inventory and production.
  Use Transaction Codes: Utilize relevant transaction codes to analyze the situation further. For example, MD04 (Stock/Requirements List) can help you see how the changes affect overall planning.
  Documentation: Ensure that all changes are documented properly to maintain a clear record of modifications and their justifications.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message.
  Training: Consider training for users involved in sales order processing and requirements planning to minimize the occurrence of such issues.
  System Configuration: Review the configuration settings in the SAP system related to sales order processing and requirements planning to ensure they align with business processes.
  
  By following these steps, you should be able to address the CN745 error message effectively and ensure that your sales order changes are managed without negatively impacting requirements planning.