How To Fix WSUBST032 - Unit of Measure convertion error: Source &1 / Target &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WSUBST - Substitution Article Handling

• Message number: 032

• Message text: Unit of Measure convertion error: Source &1 / Target &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSUBST032 - Unit of Measure convertion error: Source &1 / Target &2 ?

  The SAP error message:
  WSUBST032 Unit of Measure conversion error: Source &1 / Target &2
  
  Cause:
  This error occurs when there is a problem converting quantities between two units of measure (UoM) in SAP. Specifically, the system is unable to perform the conversion from the source unit of measure (&1) to the target unit of measure (&2) because:
  
  The conversion factor between the two units is missing or not maintained.
  The units of measure are incompatible or not defined in the system.
  There might be an inconsistency or error in the unit of measure conversion table (T006 or related tables).
  The material master data does not have the required UoM conversion maintained.
  Custom code or user exits might be trying to convert units that are not properly linked.
  
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Check Unit of Measure Conversion:
  
  Go to transaction CUNI (Units of Measure) or CUNI_MAINTAIN.
  Verify if the conversion factor between the source UoM and target UoM exists.
  If missing, maintain the conversion factor correctly.
  
  
  
  Check Material Master Data:
  
  Use transaction MM03 to display the material.
  Check the Units of Measure tab to ensure that the relevant UoMs are assigned and conversions are maintained.
  
  
  
  Check Customizing for Units of Measure:
  
  Use transaction SPRO ? Logistics General ? Units of Measure ? Check Units of Measure and Conversion.
  Ensure that the units are defined and conversions are maintained.
  
  
  
  Check for Incompatible Units:
  
  Ensure that the source and target units are compatible (e.g., both are units of weight, or both are units of length).
  SAP does not allow conversion between incompatible unit types.
  
  
  
  Debug or Check Custom Code:
  
  If the error occurs in a custom program or user exit, debug to check which units are being converted.
  Ensure that the program handles unit conversions properly and that the units exist in the system.
  
  
  
  
  Related Information:
  
  
  Tables:
  
  T006 – Units of Measure
  T006A – Units of Measure: Language-dependent texts
  T006B – Units of Measure: Conversion factors
  
  
  
  Transactions:
  
  CUNI – Units of Measure
  MM03 – Display Material Master
  SPRO – Customizing
  
  
  
  Notes and Documentation:
  
  SAP Note 123456 (example) might provide specific fixes or patches related to UoM conversion errors.
  SAP Help Portal documentation on Units of Measure and conversion.
  
  
  
  
  Summary:
  The WSUBST032 error indicates a missing or incorrect unit of measure conversion between the source and target units. The fix involves maintaining the correct conversion factors in the system and ensuring that the units are compatible and properly assigned to the materials or processes involved.