How To Fix 6P496 - Date in the planning time fence (& - &) deleted

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 496

• Message text: Date in the planning time fence (& - &) deleted

What causes this issue?

In Customizing for Demand Management, you specified that the system is
to issue a warning if changes are made within the planning time fence.
The planning time fence represents a period during which the
<GL:demand_program>demand program</> is protected from any changes.

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

System Response

Schedule lines were deleted in the planning time fence.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 6P496 - Date in the planning time fence (& - &) deleted ?

  The SAP error message 6P496, which states "Date in the planning time fence (& - &) deleted," typically occurs in the context of production planning and scheduling within SAP's Advanced Planning and Optimization (APO) or similar modules. This error indicates that a date that was previously within the planning time fence has been deleted or is no longer valid.
  Cause:
  
  Changes in Planning Parameters: The planning time fence may have been altered, leading to the deletion of dates that were previously considered valid.
  Master Data Changes: Changes in the master data (like material master, production versions, or resource availability) can affect the planning time fence.
  Planning Run Issues: If a planning run is executed and the settings or parameters are not aligned with the current data, it can lead to inconsistencies.
  Manual Adjustments: Manual changes made to the planning data or scheduling can inadvertently lead to the deletion of dates.
  
  Solution:
  
  Review Planning Time Fence Settings: Check the planning time fence settings in the relevant configuration (transaction codes like OPPQ for planning parameters) to ensure they are set correctly.
  Check Master Data: Verify the master data for the materials or resources involved to ensure that there are no inconsistencies or missing information.
  Re-run Planning: If the issue arose after a planning run, consider re-running the planning process after verifying all settings and data.
  Analyze Change Logs: Look into change logs to identify what changes were made that could have led to the deletion of the date.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  Engage with SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it is impacting business operations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OPPQ (for planning parameters), MD04 (for stock/requirements list), and MD01 (for planning run).
  SAP Notes: Search for SAP Notes related to error message 6P496 for any known issues or fixes.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the SAP error message 6P496.