How To Fix WRF_WLAY_XI_PROXY026 - &1 is a mandatory field

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_WLAY_XI_PROXY - ERP-SOP Integration

• Message number: 026

• Message text: &1 is a mandatory field

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_WLAY_XI_PROXY026 - &1 is a mandatory field ?

  The SAP error message WRF_WLAY_XI_PROXY026 indicates that a mandatory field is missing in the context of a process related to the SAP Advanced Planning and Optimization (APO) or the SAP Supply Chain Management (SCM) module. This error typically arises when data is being processed through an interface, such as an XI/PI (Process Integration) scenario, and a required field is not populated.
  Cause:
  The error occurs when:
  
  A required field in the data being sent to or processed by the system is empty or not filled in.
  The data structure defined in the interface does not match the data being sent, leading to missing mandatory fields.
  There may be issues with the mapping of fields in the integration process.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Missing Field: The error message should specify which field is mandatory and missing. Check the error message for the specific field name indicated by &1.
  
  
  Check Data Input: Ensure that the data being sent to the system includes all mandatory fields. If you are using an interface, verify that the data being passed from the source system includes the required fields.
  
  
  Review Mapping: If you are using an integration tool (like SAP PI/PO), check the mapping configuration to ensure that all mandatory fields are correctly mapped from the source to the target.
  
  
  Debugging: If you have access to the backend, you can debug the process to see where the data is being lost or not populated. This may involve checking the relevant function modules or classes.
  
  
  Consult Documentation: Review the relevant SAP documentation or configuration guides for the specific process you are working with to ensure that all required fields are correctly configured.
  
  
  Testing: After making the necessary changes, test the process again to ensure that the error does not occur.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates their knowledge base with solutions for common errors.
  Transaction Codes: Use transaction codes like SLG1 (Application Log) to check logs for more detailed error messages and context.
  Community Forums: Consider searching or posting in SAP community forums or SAP support channels for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify and resolve the issue causing the WRF_WLAY_XI_PROXY026 error message.