How To Fix WRF_WLAY_XI_PROXY044 - &1 is missing while its unit code is provided

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_WLAY_XI_PROXY - ERP-SOP Integration

• Message number: 044

• Message text: &1 is missing while its unit code is provided

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_WLAY_XI_PROXY044 - &1 is missing while its unit code is provided ?

  The SAP error message WRF_WLAY_XI_PROXY044 typically indicates that there is a missing or incorrect configuration related to the unit of measure (UoM) in the context of a specific product or material. This error often arises in scenarios involving the integration of SAP systems, particularly when dealing with master data or transactional data that requires specific unit codes.
  Cause:
  
  Missing Unit of Measure: The specified unit of measure for the product or material is not defined in the system.
  Incorrect Configuration: The unit of measure might be incorrectly configured or not linked to the relevant material or product.
  Data Inconsistency: There may be inconsistencies in the data being sent to or processed by the SAP system, such as missing master data.
  Integration Issues: If this error occurs during an integration process (e.g., using XI/PI), it may be due to a mismatch in the data being sent from the source system.
  
  Solution:
  
  
  Check Unit of Measure Configuration:
  
  Go to the transaction code CUNI (Maintain Units of Measure) in SAP.
  Verify that the unit of measure in question is defined and correctly configured.
  
  
  
  Check Material Master Data:
  
  Use transaction code MM03 to display the material master data.
  Ensure that the unit of measure is correctly assigned to the material in the relevant views (e.g., Basic Data, Sales Org Data, etc.).
  
  
  
  Review Integration Settings:
  
  If the error occurs during an integration process, check the mapping and transformation settings in the middleware (e.g., SAP PI/PO).
  Ensure that the unit of measure is being correctly passed from the source system to the SAP system.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the master data to identify any discrepancies or missing entries.
  Use transaction codes like MM02 to update or correct any missing information.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: CUNI (Maintain Units of Measure), MM03 (Display Material), MM02 (Change Material).
  Integration Tools: SAP Process Integration (PI), SAP Process Orchestration (PO).
  Documentation: Review SAP documentation related to unit of measure management and integration processes for further insights.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or consult with a technical expert familiar with your specific SAP environment.