How To Fix WRF_PRC_SCD426 - The dates in the dateline cannot be sorted

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_PRC_SCD - Purchasing Scheduling Seasonal Procurement

• Message number: 426

• Message text: The dates in the dateline cannot be sorted

What causes this issue?

Data conflict in the date line
The predecessor-successor relationship of the dates in the date line is
inconsistent.

System Response

The program cannot carry out the sorting required to calculate the
date line.

How to fix this error?

Check the date line and the dates in the relevant transportation chain.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_PRC_SCD426 - The dates in the dateline cannot be sorted ?

  The SAP error message WRF_PRC_SCD426, which states "The dates in the dateline cannot be sorted," typically occurs in the context of supply chain management, particularly when dealing with planning and scheduling data. This error indicates that there is an issue with the date entries in a dateline, which is used for planning purposes.
  Cause:
  
  Incorrect Date Format: The dates entered may not be in the correct format or may contain invalid values (e.g., a date that does not exist).
  Overlapping Dates: There may be overlapping date ranges in the dateline, which makes it impossible to sort them chronologically.
  Missing Dates: There could be missing start or end dates for certain entries, leading to confusion in sorting.
  Data Entry Errors: Manual data entry errors can lead to inconsistencies in the date fields.
  
  Solution:
  
  Check Date Formats: Ensure that all dates are entered in the correct format as per the system's requirements.
  Review Date Ranges: Go through the dateline entries and check for any overlapping date ranges. Adjust them to ensure that each date range is unique and does not overlap with others.
  Fill Missing Dates: Make sure that all entries have both start and end dates filled in. If any dates are missing, add them appropriately.
  Data Validation: Implement data validation checks to prevent incorrect or overlapping dates from being entered in the future.
  Re-enter Data: If the issue persists, consider re-entering the dateline data to ensure that it is clean and free of errors.
  
  Related Information:
  
  Transaction Codes: You may need to use specific transaction codes in SAP to access the dateline or planning data, such as /SAPAPO/SDP94 for planning board or /SAPAPO/SDP95 for the detailed planning view.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to SAP documentation for guidelines on managing datelines and date entries in the context of supply chain planning.
  
  If the problem continues after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the issue.