How To Fix WVLB127 - Delivery date = start date of range of coverage algorithm: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WVLB - Messages for Load Building

• Message number: 127

• Message text: Delivery date = start date of range of coverage algorithm: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WVLB127 - Delivery date = start date of range of coverage algorithm: &1 ?

  The SAP error message WVLB127 indicates that there is an issue with the delivery date in relation to the start date of a range of coverage algorithm. This error typically arises in the context of logistics and supply chain management, particularly when dealing with delivery schedules and planning.
  Cause:
  The error message WVLB127 is triggered when the delivery date specified in a transaction does not align with the expected start date of the coverage range. This can happen due to several reasons, including:
  
  Incorrect Configuration: The range of coverage settings in the system may not be configured correctly, leading to mismatches between expected and actual dates.
  Data Entry Errors: The user may have entered an incorrect delivery date that falls outside the defined range of coverage.
  Master Data Issues: The material master or vendor master data may have incorrect or incomplete information regarding delivery dates and coverage ranges.
  Planning Parameters: The planning parameters set for the material or product may not be aligned with the delivery schedule.
  
  Solution:
  To resolve the WVLB127 error, you can take the following steps:
  
  Check Delivery Date: Verify the delivery date entered in the transaction. Ensure that it falls within the expected range of coverage dates.
  Review Coverage Profile: Examine the coverage profile settings in the system. Ensure that the start and end dates are correctly defined and that they align with the delivery date.
  Adjust Master Data: If there are issues with the material or vendor master data, correct any discrepancies related to delivery dates and coverage settings.
  Consult Planning Parameters: Review the planning parameters for the material to ensure they are set correctly. Adjust them if necessary to align with the delivery schedule.
  Run Coverage Analysis: Use the coverage analysis tools in SAP to identify any discrepancies or issues in the coverage planning that may be causing the error.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on configuring coverage algorithms and resolving related errors.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MD04 (Stock/Requirements List) or MD61 (Create Planned Independent Requirements) to analyze stock and requirements.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Exits and BAdIs: If custom logic is implemented, review any user exits or BAdIs that may affect the delivery date calculations.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in logistics and supply chain management within SAP.