How To Fix APO_BAPI_SPP043 - Stability rule violated: No reduction in limited freeze horizon

SAP Error Message - Details

• Message type: E = Error

• Message class: APO_BAPI_SPP - Messages in SPP BAPIs

• Message number: 043

• Message text: Stability rule violated: No reduction in limited freeze horizon

What causes this issue?

A stability rule has been broken: It is not possible to reduce the
supplier capacity in the limited freeze horizon.

System Response

The supplier capacity is not changed, and the old value is kept.

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.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APO_BAPI_SPP043 - Stability rule violated: No reduction in limited freeze horizon ?

  The SAP error message "APO_BAPI_SPP043 Stability rule violated: No reduction in limited freeze horizon" typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with Supply Network Planning (SNP) or Production Planning and Detailed Scheduling (PP/DS). This error indicates that the stability rules defined in the planning process have been violated, specifically regarding the freeze horizon.
  Cause:
  
  Freeze Horizon: The freeze horizon is a time period during which changes to the planning data are restricted to ensure stability in the planning process. If a planning run attempts to make changes that would reduce the freeze horizon, this error will be triggered.
  Planning Parameters: The planning parameters set in the system may not align with the current planning situation, leading to conflicts.
  Data Changes: Changes in demand, supply, or other relevant data that fall within the freeze horizon can also trigger this error if they conflict with the stability rules.
  Configuration Issues: Incorrect configuration of the planning area or the stability rules can lead to this error.
  
  Solution:
  
  Review Freeze Horizon Settings: Check the settings for the freeze horizon in the planning area configuration. Ensure that the freeze horizon is set appropriately for your planning needs.
  Adjust Planning Parameters: If necessary, adjust the planning parameters to ensure they align with the current planning situation and do not violate stability rules.
  Data Consistency: Ensure that all relevant data (demand, supply, etc.) is consistent and does not conflict with the stability rules. This may involve reviewing recent changes to the data.
  Run Planning in a Different Time Frame: If possible, try running the planning process outside of the current freeze horizon to avoid conflicts.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional guidance and best practices.
  Engage with SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a configuration or system issue.
  
  Related Information:
  
  Stability Rules: These are rules defined in the planning process to ensure that the planning results remain stable and reliable. Understanding these rules is crucial for effective planning.
  Planning Area Configuration: Familiarize yourself with the configuration of the planning area in SAP APO, as this can significantly impact how planning runs are executed.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches that could resolve the issue.
  Training and Documentation: Consider training for users involved in planning processes to better understand the implications of freeze horizons and stability rules.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the error and continue with your planning activities in SAP APO.