How To Fix WRF_PRC_SCD402 - Error in scheduling

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_PRC_SCD - Purchasing Scheduling Seasonal Procurement

• Message number: 402

• Message text: Error in scheduling

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_PRC_SCD402 - Error in scheduling ?

  The SAP error message WRF_PRC_SCD402 typically indicates an issue related to scheduling in the SAP system, particularly within the context of the SAP Advanced Planning and Optimization (APO) module or the SAP S/4HANA system. This error can arise during the planning process, often when the system is unable to schedule a particular operation or task due to various reasons.
  Causes of WRF_PRC_SCD402 Error
  
  Resource Availability: The resources required for scheduling (like machines, labor, etc.) may not be available during the requested time frame.
  Capacity Constraints: There may be capacity constraints that prevent the scheduling of operations.
  Incorrect Master Data: Issues with master data, such as incorrect production versions, routing, or work center data, can lead to scheduling errors.
  Planning Parameters: Incorrect planning parameters or settings in the planning book can also cause scheduling issues.
  Time Constraints: The time slots for the operations may not align with the available capacity or may exceed the allowed time frames.
  Dependencies: There may be dependencies between tasks that are not being met, leading to scheduling conflicts.
  
  Solutions to WRF_PRC_SCD402 Error
  
  Check Resource Availability: Ensure that the required resources are available for the scheduled operations. You can do this by reviewing the resource allocation and availability in the system.
  Review Capacity Planning: Analyze the capacity planning settings and ensure that they are correctly configured to accommodate the planned operations.
  Validate Master Data: Check the master data related to the production process, including routing, work centers, and production versions, to ensure they are accurate and up to date.
  Adjust Planning Parameters: Review and adjust the planning parameters in the planning book to ensure they align with the scheduling requirements.
  Examine Time Slots: Verify the time slots assigned to the operations and ensure they do not exceed the available capacity or violate any time constraints.
  Check Dependencies: Review any dependencies between tasks and ensure that they are correctly defined and met.
  
  Related Information
  
  Transaction Codes: You may use transaction codes like /SAPAPO/SDP94 (for planning board) or /SAPAPO/MC90 (for capacity planning) to analyze and troubleshoot scheduling issues.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the WRF_PRC_SCD402 error.
  Logs and Traces: Review logs and traces in the system to gather more information about the error and its context.
  Consult Documentation: Refer to SAP documentation for detailed information on scheduling and planning processes within the APO or S/4HANA environment.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.