How To Fix VL405 - Factors not equal to 1 are only possible for alternative units of measure

SAP Error Message - Details

• Message type: E = Error

• Message class: VL -

• Message number: 405

• Message text: Factors not equal to 1 are only possible for alternative units of measure

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VL405 - Factors not equal to 1 are only possible for alternative units of measure ?

  The SAP error message VL405, which states "Factors not equal to 1 are only possible for alternative units of measure," typically occurs in the context of handling units of measure (UoM) in SAP, particularly when dealing with logistics and inventory management.
  Cause:
  This error arises when there is an attempt to use a conversion factor that is not equal to 1 for a unit of measure that is not defined as an alternative unit of measure. In SAP, alternative units of measure are used to define how a base unit of measure can be converted into another unit of measure, and these conversions must adhere to specific rules.
  Common Scenarios Leading to VL405:
  
  Incorrect Unit of Measure Configuration: The unit of measure being used does not have the correct settings in the material master or is not defined as an alternative unit of measure.
  Conversion Factor Issues: A conversion factor other than 1 is being applied to a unit of measure that is not set up to allow for such conversions.
  Data Entry Errors: Manual entry of quantities or units of measure that do not align with the defined settings in the system.
  
  Solution:
  To resolve the VL405 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the units of measure defined for the material.
  Ensure that the alternative units of measure are correctly set up and that the conversion factors are appropriate.
  
  
  
  Review Unit of Measure Settings:
  
  Ensure that the unit of measure you are trying to use is defined as an alternative unit of measure in the material master.
  If necessary, adjust the settings to allow for the desired conversion factor.
  
  
  
  Adjust the Document:
  
  If you are processing a document (like a delivery or goods movement), check the quantities and units of measure being entered. Make sure they conform to the defined units of measure for the material.
  
  
  
  Consult with Configuration Team:
  
  If you are unsure about the settings or need to make changes to the configuration, consult with your SAP configuration team or a functional consultant who specializes in logistics and inventory management.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the process again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, UoM is a critical aspect of inventory management, and it is essential to ensure that all materials have the correct UoM settings.
  Alternative Units of Measure: These are used when you need to convert between different units (e.g., from pieces to boxes) and must be configured correctly in the material master.
  SAP Documentation: Refer to SAP Help documentation for detailed information on managing units of measure and troubleshooting related errors.
  
  By following these steps, you should be able to resolve the VL405 error and ensure that your unit of measure configurations are set up correctly in SAP.