How To Fix /SAPAPO/OM_ERROR2285 - The start index (rsc) could not be found in the planning horizon

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 285

• Message text: The start index (rsc) could not be found in the planning horizon

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2285 - The start index (rsc) could not be found in the planning horizon ?

  The SAP error message /SAPAPO/OM_ERROR2285 indicates that the system is unable to find the specified start index (resource) within the defined planning horizon in the Advanced Planning and Optimization (APO) module. This error typically arises during planning activities, such as when executing a planning run or when trying to access certain planning data.
  Cause:
  
  Resource Not Defined: The resource (rsc) you are trying to use may not be defined in the planning area or may not be active in the current planning horizon.
  Planning Horizon Issues: The planning horizon may not cover the time period for which you are trying to access the resource. This can happen if the planning horizon is set too short or if the resource is not included in the planning area.
  Data Inconsistencies: There may be inconsistencies in the master data or planning data that prevent the system from recognizing the resource.
  Configuration Issues: Incorrect configuration of the planning area or resource settings can lead to this error.
  
  Solution:
  
  Check Resource Definition: Verify that the resource in question is correctly defined in the system. Ensure that it is active and included in the relevant planning area.
  Review Planning Horizon: Check the planning horizon settings in the planning area configuration. Make sure that the planning horizon is set to cover the time period you are working with.
  Validate Master Data: Ensure that all relevant master data (e.g., resources, locations, products) is correctly maintained and consistent. Look for any missing or incorrect entries.
  Adjust Planning Area Settings: If necessary, adjust the settings of the planning area to include the resource and ensure it is part of the planning process.
  Run Consistency Checks: Use transaction codes like /SAPAPO/OM17 to run consistency checks on the planning area and resources to identify any discrepancies.
  Consult Documentation: Refer to SAP documentation or notes related to this error for any specific recommendations or patches that may address the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/OM17 (for planning area settings) and /SAPAPO/OM00 (for resource settings).
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message.
  Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.