How To Fix WRF_PRC_SCD117 - Loop creation: date &1 already used as preceding date

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_PRC_SCD - Purchasing Scheduling Seasonal Procurement

• Message number: 117

• Message text: Loop creation: date &1 already used as preceding date

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_PRC_SCD117 - Loop creation: date &1 already used as preceding date ?

  The SAP error message WRF_PRC_SCD117 indicates that there is an issue with the creation of a loop in the scheduling of dates for a particular process. Specifically, the message states that the date specified (denoted as &1) is already being used as a preceding date in the scheduling sequence, which can lead to conflicts or circular references in the scheduling logic.
  Cause:
  The error typically arises in the context of scheduling or planning processes within SAP, particularly in the areas of:
  
  Sales and Operations Planning (SOP)
  Demand Management
  Production Planning (PP)
  Material Requirements Planning (MRP)
  
  The root cause of this error can be attributed to:
  
  Date Overlap: The specified date is already assigned as a preceding date for another process or activity, leading to a conflict.
  Incorrect Configuration: There may be incorrect settings in the planning parameters or master data that define how dates are sequenced.
  Data Entry Errors: Manual entry errors in the scheduling or planning data can lead to this issue.
  
  Solution:
  To resolve the WRF_PRC_SCD117 error, you can take the following steps:
  
  
  Check Date Assignments: Review the scheduling or planning data to identify where the date in question is being used. Ensure that it is not assigned as a preceding date for multiple activities or processes.
  
  
  Adjust Scheduling Parameters: If the date is indeed required for multiple processes, consider adjusting the scheduling parameters or the sequence of activities to avoid conflicts.
  
  
  Review Master Data: Check the relevant master data (e.g., material master, production versions, etc.) to ensure that there are no inconsistencies or incorrect settings that could lead to this error.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on scheduling and planning configurations to ensure compliance with best practices.
  
  
  Use Transaction Codes: Utilize relevant transaction codes (e.g., MD04 for stock/requirements list, MD61 for planning) to analyze the planning situation and make necessary adjustments.
  
  
  Seek Help from SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to planning and scheduling, such as MD01 (MRP Run), MD02 (Single-item, multi-level planning), and MD04 (Stock/Requirements List).
  SAP Notes: Check for any SAP Notes related to this error message for potential patches or updates that may address known issues.
  Training and Documentation: Ensure that users involved in planning and scheduling are adequately trained and have access to documentation that outlines the correct procedures for date assignments and scheduling.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.