How To Fix WS054 - Conversion factors must be 1, same units of measure

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 054

• Message text: Conversion factors must be 1, same units of measure

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WS054 - Conversion factors must be 1, same units of measure ?

  SAP Error Message:
  WS054 - Conversion factors must be 1, same units of measure
  
  
  Cause:
  This error occurs when you try to maintain or use a unit of measure (UoM) conversion in SAP where the units involved are the same, but the conversion factor is not equal to 1. In other words, SAP expects that if the "from" and "to" units of measure are identical, the conversion factor must be exactly 1.
  For example, if you have a conversion from "KG" to "KG", the conversion factor must be 1. If it is anything else (e.g., 0.5, 2), SAP will throw this error.
  
  When does this happen?
  
  When maintaining unit of measure conversions in transaction CUNI (Units of Measure).
  When creating or changing material master data where UoM conversions are involved.
  During data upload or migration involving UoM conversions.
  When defining or adjusting units of measure in customizing.
  
  
  Explanation:
  
  SAP requires that conversions between the same unit must have a factor of