How To Fix WG055 - Unit & sent is not ISO unit or cannot be converted to a SAP unit

SAP Error Message - Details

• Message type: E = Error

• Message class: WG - Messages for store order and investment buy

• Message number: 055

• Message text: Unit & sent is not ISO unit or cannot be converted to a SAP unit

What causes this issue?

The unit of measure &V1& sent is not an ISO unit of measure. Therefore
it cannot be converted into the SAP unit of measure.
No corresponding entry is entered in the conversion table.

System Response

The GR quantity unit is forwarded unconverted.

How to fix this error?

Maintain the unit of measurement table if you want a conversion or
send the correct units of measure.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WG055 - Unit & sent is not ISO unit or cannot be converted to a SAP unit ?

  The SAP error message:
  WG055: Unit & sent is not ISO unit or cannot be converted to a SAP unit
  
  
  Cause:
  This error occurs when the system encounters a unit of measure (UoM) in a document or transaction that is either:
  
  Not an ISO standard unit of measure, and
  Cannot be converted or mapped to any unit of measure defined in SAP.
  
  Typically, this happens during goods receipt, goods issue, or when processing delivery or purchase order documents where the unit of measure sent from an external system or entered manually is not recognized or convertible by SAP.
  
  Explanation:
  
  SAP uses ISO units of measure as a standard reference.
  If a unit is not ISO or not maintained in the system, SAP cannot perform quantity conversions or validations.
  The system expects the unit to be either an ISO unit or a unit that can be converted to an ISO unit via unit conversion factors maintained in SAP.
  
  
  Common Scenarios:
  
  Integration with external