How To Fix WRF_PRC_SCD428 - Start date &1 is invalid

WRF_PRC_SCD428 - Overview

• Message type: E = Error

• Message class: WRF_PRC_SCD - Purchasing Scheduling Seasonal Procurement

• Message number: 428

• Message text: Start date &1 is invalid

What causes this issue?

Data conflict in the date line
A start date you entered does not exist in the date line.

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

System Response

The program cannot calculate any dates.

How to fix this error?

Check the dates and the assigned transportation chains.

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_SCD428 - Start date &1 is invalid ?

  The SAP error message WRF_PRC_SCD428, which states "Start date &1 is invalid," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where date management is crucial for planning and scheduling processes.
  
  Cause:
  The error indicates that the start date provided (represented by &1) is not valid for the operation being performed. This can happen due to several reasons:
  
  Date Format Issues: The date may not be in the expected format (e.g., DD/MM/YYYY vs. MM/DD/YYYY).
  Date Range Violations: The start date may fall outside of the allowed date range for the planning period or the validity period of the data being processed.
  Calendar Settings: The date may not align with the defined calendar settings in the system (e.g., non-working days, holidays).
  Data Consistency: There may be inconsistencies in the data that lead to the start date being considered invalid.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Date Format: Ensure