How To Fix WRF_WLAY_XI_PROXY027 - Material &1 cannot be converted to SAP internal format

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_WLAY_XI_PROXY - ERP-SOP Integration

• Message number: 027

• Message text: Material &1 cannot be converted to SAP internal format

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_PROXY027 - Material &1 cannot be converted to SAP internal format ?

  The SAP error message WRF_WLAY_XI_PROXY027 indicates that there is an issue with converting a material number to the internal format used by SAP. This error typically arises in the context of SAP's Advanced Planning and Optimization (APO) or when dealing with material master data in the SAP system.
  Cause:
  
  Invalid Material Number: The material number being processed may not exist in the system or may be incorrectly formatted.
  Data Type Mismatch: The material number may not conform to the expected data type or length defined in the SAP system.
  Configuration Issues: There may be issues with the configuration of the system, particularly in the integration between different SAP modules or systems (e.g., SAP ERP and SAP APO).
  Master Data Issues: The material master data may be incomplete or corrupted, leading to conversion issues.
  
  Solution:
  
  Check Material Number: Verify that the material number being processed is valid and exists in the system. You can do this by using transaction codes like MM03 (Display Material) to check the material details.
  Format Verification: Ensure that the material number is in the correct format and adheres to the length and character restrictions defined in the system.
  Data Consistency: Check for any inconsistencies in the material master data. You may need to run consistency checks or data validation processes.
  Integration Configuration: If the error occurs during data transfer between systems (e.g., from ERP to APO), check the configuration settings for the integration. Ensure that the mapping of fields is correct and that the necessary data is being transferred.
  Debugging: If you have access to debugging tools, you can analyze the process that leads to the error to identify the exact point of failure.
  Consult Documentation: Review SAP notes and documentation related to this error message for any specific patches or updates that may address the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message. You can search for the error message code in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for managing material master data.
  User Roles and Authorizations: Ensure that the user executing the transaction has the necessary authorizations to access and modify material data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide further assistance.