How To Fix /SAPAPO/SCHED864 - Exception '&2' triggered for scheduling request '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SCHED -

• Message number: 864

• Message text: Exception '&2' triggered for scheduling request '&1'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SCHED864 - Exception '&2' triggered for scheduling request '&1' ?

  The SAP error message /SAPAPO/SCHED864 Exception '&2' triggered for scheduling request '&1' typically occurs in the context of Advanced Planning and Optimization (APO) within SAP. This error indicates that an exception has been raised during the scheduling process for a specific scheduling request.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Data Issues: Incomplete or incorrect master data (e.g., material master, production resources/tools) can lead to scheduling exceptions.
  Capacity Constraints: If the production resources do not have enough capacity to handle the scheduled tasks, exceptions may be triggered.
  Planning Parameters: Incorrect planning parameters or settings in the APO system can lead to scheduling issues.
  Dependencies and Constraints: If there are dependencies or constraints that cannot be satisfied during scheduling, exceptions will occur.
  Custom Code: If there are custom enhancements or user exits that affect scheduling, they may introduce exceptions.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check the Exception Details: Review the specific exception message (&2) to understand the nature of the issue. This will provide more context on what went wrong.
  Review Master Data: Ensure that all relevant master data is complete and accurate. Check the material master, production resources, and any other relevant data.
  Analyze Capacity: Verify that the production resources have sufficient capacity to handle the scheduled tasks. Adjust capacity settings if necessary.
  Examine Planning Parameters: Review the planning parameters in the APO system to ensure they are set correctly for your scheduling needs.
  Check Dependencies: Look for any dependencies or constraints that may be causing the scheduling to fail. Adjust them as needed.
  Debug Custom Code: If there are custom enhancements, debug the code to identify any issues that may be causing the exception.
  Run the Scheduling Again: After making the necessary adjustments, try running the scheduling request again to see if the issue is resolved.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/SDP94 (for planning board) or /SAPAPO/SCM1 (for monitoring) to analyze the scheduling requests and exceptions.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  Documentation: Refer to SAP documentation for APO and scheduling to understand the configuration and parameters that may affect scheduling.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.