How To Fix WRPC_XI_PROXY007 - The ISO UnitCode cannot be determined for unit &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WRPC_XI_PROXY -

• Message number: 007

• Message text: The ISO UnitCode cannot be determined for unit &1

Self-Explanatory Message

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• What is the cause and solution for SAP error message WRPC_XI_PROXY007 - The ISO UnitCode cannot be determined for unit &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WRPC_XI_PROXY007: The ISO UnitCode cannot be determined for unit &1
  
  Cause:
  This error occurs when the SAP system tries to process or map a unit of measure (UoM) but cannot find a corresponding ISO standard unit code for the given unit. The ISO UnitCode is required for integration scenarios, especially in SAP XI/PI/PO (Process Integration/Process Orchestration) or when using proxy communication where standardized unit codes are necessary for message exchange.
  In other words, the system has encountered a unit of measure (e.g., KG, M, L) that is not linked or mapped to an ISO standard unit code in the system's unit of measure configuration or in the integration mapping.
  
  Typical Scenarios:
  
  When sending or receiving IDocs, proxies, or messages that require ISO unit codes.
  During integration with external systems that expect ISO standardized units.
  When the unit of measure master data is incomplete or missing ISO code assignments.
  Custom units or non-standard units are used without proper mapping.
  
  
  Solution:
  
  
  Check Unit of Measure Configuration:
  
  Go to transaction CUNI (Units of Measure).
  Find the unit of measure that caused the error (the value in &1).
  Verify if the ISO code is maintained for this unit.
  
  
  
  Maintain ISO Unit Code:
  
  In the unit of measure details, maintain the correct ISO unit code.
  ISO codes are standardized codes like "KGM" for kilogram, "MTR" for meter, "LTR" for liter, etc.
  If the unit is custom or non-standard, assign the closest matching ISO code or create a mapping.
  
  
  
  Check Integration Mapping:
  
  If the error occurs during proxy or XI/PI message processing, check the mapping objects.
  Ensure that the unit of measure is correctly mapped to the ISO unit code in the message mapping or value mapping.
  
  
  
  Update or Extend Value Mapping:
  
  In SAP PI/PO, use the Value Mapping tool to map SAP units to ISO codes.
  Make sure the mapping is complete and covers all units used in the business process.
  
  
  
  Transport Changes:
  
  After maintaining the ISO codes or mappings, transport the changes to the relevant systems.
  
  
  
  
  Additional Information:
  
  ISO Unit Codes are part of the international standard ISO 80000-1 and are used to ensure consistent unit representation across systems.
  SAP uses these codes in integration scenarios to avoid ambiguity.
  Missing or incorrect ISO codes can cause message failures or incorrect data interpretation in integrated systems.
  Always coordinate with business and integration teams before changing unit codes to avoid inconsistencies.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WRPC_XI_PROXY007: The ISO UnitCode cannot be determined for unit &1
  
  
  Cause
  Missing or incorrect ISO unit code for the unit of measure in SAP configuration
  
  
  Solution
  Maintain the ISO unit code in transaction CUNI or update value mappings in SAP PI/PO
  
  
  Related Transactions
  CUNI (Units of Measure), SXMB_IFR (Integration Repository), SXMB_MPR (Message Processing)
  
  
  
  
  If you need help identifying the correct ISO code for a unit or further assistance with integration mappings, feel free to ask!