How To Fix 61863 - Lead-time scheduling not possible for Long Term Planning

SAP Error Message - Details

• Message type: E = Error

• Message class: 61 - Fehlermeldungen fuer Bedarfsplanung

• Message number: 863

• Message text: Lead-time scheduling not possible for Long Term Planning

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 61863 - Lead-time scheduling not possible for Long Term Planning ?

  The SAP error message 61863, "Lead-time scheduling not possible for Long Term Planning," typically occurs in the context of Long Term Planning (LTP) when the system is unable to calculate lead times for certain materials or production processes. This can happen for several reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Missing Master Data: The required master data for materials, such as routing, bill of materials (BOM), or production versions, may be incomplete or missing.
  Incorrect Configuration: The configuration settings for lead time scheduling in the planning parameters may not be set correctly.
  Invalid Time Period: The planning horizon may extend beyond the valid time frame for the materials or resources involved.
  Capacity Constraints: There may be capacity constraints that prevent the system from scheduling the required operations.
  Planning Strategy Issues: The planning strategy assigned to the material may not be compatible with lead-time scheduling.
  
  Solutions:
  
  Check Master Data: Ensure that all necessary master data (BOM, routing, production versions) is complete and correctly maintained for the materials involved.
  Review Planning Parameters: Verify the planning parameters in the LTP settings to ensure they are configured correctly for lead-time scheduling.
  Adjust Planning Horizon: If the planning horizon is too long, consider adjusting it to fit within the valid time frame for the materials.
  Analyze Capacity: Check for any capacity constraints in the production resources and resolve any issues that may be preventing scheduling.
  Review Planning Strategy: Ensure that the planning strategy assigned to the material is appropriate for lead-time scheduling and make adjustments if necessary.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MD61 (Create LTP) or MD02 (MDP) to analyze and adjust planning data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation on Long Term Planning and lead-time scheduling for detailed guidelines and best practices.
  Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert for further assistance.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the error message 61863 and successfully perform lead-time scheduling in Long Term Planning.