How To Fix WPRO_XI_PROXY021 - Mandatory field is not filled

SAP Error Message - Details

• Message type: E = Error

• Message class: WPRO_XI_PROXY - Messages Service Processing Retail Event

• Message number: 021

• Message text: Mandatory field is not filled

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WPRO_XI_PROXY021 - Mandatory field is not filled ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message: WPRO_XI_PROXY021 - Mandatory field is not filled
  
  
  Cause:
  This error occurs when a mandatory field in the proxy message structure is not populated before the message is sent or processed. In SAP PI/PO (Process Integration/Process Orchestration) or when using SAP XI proxies, certain fields are defined as mandatory in the proxy interface or the underlying message type. If these fields are left empty or null, the system raises this error to indicate incomplete data.
  Common scenarios causing this error:
  
  The sender application or system did not fill all required fields in the proxy message.
  Mapping or data transformation logic did not populate mandatory fields.
  Incorrect or incomplete data extraction from the source system.
  Custom enhancements or user-exits that inadvertently clear mandatory fields.
  
  
  
  Solution:
  
  
  Identify the Mandatory Field(s):
  
  Check the proxy interface or message type definition in the Enterprise Services Repository (ESR) or Integration Directory.
  Identify which fields are marked