How To Fix 6P493 - Changes made in the planning time fence will be ignored (& - &)

SAP Error Message - Details

• Message type: E = Error

• Message class: 6P - Messages for planned independent requirements (Appl.area 60)

• Message number: 493

• Message text: Changes made in the planning time fence will be ignored (& - &)

What causes this issue?

In Customizing, you determined that no new schedule lines can be
created in the planning time fence, nor can existing schedule lines be
changed. If a change occurs within the planning time fence, the system
displays an error message.

System Response

New schedule lines are not created within the planning time fence.

How to fix this error?

Check the dates of your schedule lines or check the planning time fence
in Customizing (Demand management -> Indep.requirements -> Fixing).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 6P493 - Changes made in the planning time fence will be ignored (& - &) ?

  The SAP error message 6P493 ("Changes made in the planning time fence will be ignored") typically occurs in the context of production planning and material requirements planning (MRP) when a user attempts to make changes to a planning object (like a production order or a planned order) that falls within the planning time fence.
  Cause:
  The planning time fence is a period during which changes to the production plan are restricted to ensure stability in the production schedule. This is often set to prevent disruptions in the production process, as changes can lead to inefficiencies or conflicts in resource allocation. When you try to make changes to orders or plans that fall within this time frame, SAP generates this error message to indicate that those changes will not be processed.
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Review the Planning Time Fence Settings:
  
  Check the configuration of the planning time fence in your system. You may need to adjust the time fence settings if they are too restrictive for your planning needs.
  
  
  
  Change the Order Outside the Time Fence:
  
  If possible, make the necessary changes to the orders or plans outside of the planning time fence. This may involve rescheduling or delaying the changes until the planning time fence has passed.
  
  
  
  Use Exception Messages:
  
  Review the exception messages in the MRP run to identify if there are any other issues that need to be addressed. Sometimes, the planning time fence is set for a reason, and addressing the underlying issues may help.
  
  
  
  Consult with Your Planning Team:
  
  Discuss with your production planning team or SAP consultant to understand the implications of changing the planning time fence and whether it is appropriate to do so.
  
  
  
  Use the MRP Controller:
  
  If you have the necessary permissions, you can adjust the MRP controller settings to allow for changes within the planning time fence, but this should be done with caution.
  
  
  
  Related Information:
  
  Planning Time Fence: This is a key concept in production planning that helps maintain a stable production schedule. It is defined in the material master and can vary based on the specific requirements of the production environment.
  MRP Runs: Understanding how MRP runs work and how they interact with the planning time fence can help in troubleshooting related issues.
  SAP Documentation: Refer to SAP Help documentation for detailed information on MRP settings, planning time fences, and how to manage production orders effectively.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a professional with expertise in SAP production planning.