How To Fix WRF_WLAY_XI_PROXY001 - A numeric value is required for the field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_WLAY_XI_PROXY - ERP-SOP Integration

• Message number: 001

• Message text: A numeric value is required for the field &1

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_WLAY_XI_PROXY001 - A numeric value is required for the field &1 ?

  The SAP error message WRF_WLAY_XI_PROXY001 indicates that a numeric value is required for a specific field in the context of a process related to the SAP Advanced Planning and Optimization (APO) or SAP S/4HANA systems, particularly in the area of logistics or warehouse management.
  Cause:
  This error typically occurs when:
  
  A field that is expected to contain a numeric value is either empty or contains non-numeric characters (e.g., letters, special characters).
  Data being sent to or processed by the system does not conform to the expected format, leading to validation errors.
  There may be issues with the data mapping in the integration process, especially if data is being transferred from one system to another (e.g., through an XI/PI interface).
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Input Data: 
  
  Review the data being sent to the system. Ensure that all fields that are supposed to contain numeric values are populated correctly and do not contain any invalid characters.
  Validate the data format against the expected format in the SAP system.
  
  
  
  Review the Mapping Configuration:
  
  If you are using an integration tool (like SAP PI/PO), check the mapping configuration to ensure that the fields are correctly mapped and that numeric values are being passed correctly.
  
  
  
  Debugging:
  
  If you have access to the backend, you can use transaction codes like SLG1 (Application Log) to check for detailed logs related to the error.
  Use transaction codes like SE37 or SE80 to analyze the function modules or programs involved in the process to identify where the error is occurring.
  
  
  
  Data Type Check:
  
  Ensure that the data types defined in the data structure match the expected types in the receiving system. For example, if a field is defined as a numeric type, ensure that it is not being sent as a string.
  
  
  
  Consult Documentation:
  
  Review the relevant SAP documentation or notes related to the specific transaction or process you are working with. There may be specific guidelines or known issues documented.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the root cause, consider reaching out to SAP support for assistance. Provide them with the error message, context, and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE37 (Function Module), and SLG1 (Application Log) for troubleshooting.
  SAP Notes: Search for SAP Notes related to the error message or the specific process you are working with. SAP Notes often contain fixes or workarounds for known issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message WRF_WLAY_XI_PROXY001.