How To Fix /SAPAPO/RSP01131 - Confirmed date impossible (error no. &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RSP01 -

• Message number: 131

• Message text: Confirmed date impossible (error no. &1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RSP01131 - Confirmed date impossible (error no. &1) ?

  The SAP error message /SAPAPO/RSP01131 Confirmed date impossible (error no. &1) typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the scheduling of a production order or a planned order. This error indicates that the system cannot confirm the requested date for the order due to various reasons.
  Causes:
  
  Capacity Constraints: The production resources (work centers) may be overloaded, leading to an inability to confirm the requested date.
  Material Availability: The required materials for the production order may not be available on the requested date.
  Scheduling Parameters: Incorrect or missing scheduling parameters in the order or in the master data can lead to this error.
  Lead Times: The lead times defined for the production process may not allow for the requested date to be met.
  Production Versions: If the production version is not valid or not maintained correctly, it can lead to scheduling issues.
  Planning Strategy: The planning strategy used may not align with the requirements of the order.
  
  Solutions:
  
  Check Capacity: Review the capacity of the work centers involved in the production process. If they are overloaded, consider rescheduling or redistributing the workload.
  Material Check: Ensure that all required materials are available in the correct quantities. If not, adjust the procurement or production plans accordingly.
  Review Scheduling Parameters: Verify the scheduling parameters in the order and ensure they are set correctly. This includes checking the production lead times and any relevant settings in the master data.
  Adjust Lead Times: If lead times are too long, consider adjusting them in the material master or production version.
  Validate Production Versions: Ensure that the production versions are correctly maintained and valid for the materials and orders in question.
  Change Planning Strategy: If necessary, review and change the planning strategy to better align with the production requirements.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/SDP94 (for planning board) or /SAPAPO/MC90 (for checking capacity) to analyze the situation further.
  Logs and Messages: Check the logs and messages in the APO system for additional details that may provide more context about the error.
  SAP Notes: Look for relevant SAP Notes that may address specific issues related to this error message.
  Consult Documentation: Review the SAP documentation for APO to understand the configuration and settings that may impact scheduling and order confirmation.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in APO for further assistance.