How To Fix WUF034 - Field mappings cannot be combined with transformation methods

WUF034 - Overview

• Message type: E = Error

• Message class: WUF -

• Message number: 034

• Message text: Field mappings cannot be combined with transformation methods

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 WUF034 - Field mappings cannot be combined with transformation methods ?

  The SAP error message WUF034 indicates that there is an issue with the configuration of field mappings in a transformation process. Specifically, it suggests that field mappings cannot be combined with transformation methods in the context of data transfer or data transformation processes, such as those used in SAP Data Services or SAP BW (Business Warehouse).
  
  Cause:
  The error typically arises from one of the following scenarios:
  
  
  Incompatible Configuration: You may have defined both field mappings and transformation methods in the same transformation step, which is not allowed. Field mappings and transformation methods serve different purposes and cannot be used together in a single transformation.
  
  
  Incorrect Data Flow Design: The design of the data flow may not adhere to the rules of how transformations and mappings should be structured. This can happen if you are trying to apply a transformation method (like a formula or a function) to fields that are already being mapped