How To Fix /SAPAPO/DEPL_MESS623 - Demand Item Change Date &1 changed during lead time check horizon

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DEPL_MESS -

• Message number: 623

• Message text: Demand Item Change Date &1 changed during lead time check horizon

Self-Explanatory Message

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• What is the cause and solution for SAP error message /SAPAPO/DEPL_MESS623 - Demand Item Change Date &1 changed during lead time check horizon ?

  The SAP error message /SAPAPO/DEPL_MESS623 indicates that there has been a change to the demand item change date during the lead time check horizon in the Advanced Planning and Optimization (APO) module. This typically occurs in the context of demand planning and deployment processes.
  Cause:
  
  Change in Demand Date: The demand item’s change date has been modified after the lead time check has already been performed. This can happen if there are updates to the demand forecast or changes in the planning parameters.
  Lead Time Check Horizon: The lead time check horizon is the period during which the system checks for changes to demand items. If a change occurs within this horizon, it can trigger this error message.
  Configuration Issues: There may be issues with the configuration of the planning parameters or settings that govern how demand changes are handled.
  
  Solution:
  
  Review Changes: Check the changes made to the demand item. Ensure that any modifications to the demand date are intentional and necessary.
  Adjust Lead Time Check Horizon: If feasible, consider adjusting the lead time check horizon to accommodate changes. This can be done in the APO configuration settings.
  Re-run Planning: After making necessary adjustments, re-run the planning process to ensure that the changes are reflected correctly and that the error does not persist.
  Check Configuration: Review the configuration settings related to demand planning and lead time checks to ensure they are set up correctly.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for any specific recommendations or patches that may address the issue.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/DP for demand planning or /SAPAPO/SDP94 for the planning book to analyze the demand items.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error message.
  User Exits and BAdIs: If custom logic is implemented in your APO system, review any user exits or BAdIs that might affect demand item processing.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or consult with a technical expert familiar with your specific APO configuration.