How To Fix WB2B2159 - Only field &1 of ext. structure &2 is set. Key &3.

WB2B2159 - Overview

• Message type: E = Error

• Message class: WB2B2 - Trading Contract (part 2)

• Message number: 159

• Message text: Only field &1 of ext. structure &2 is set. Key &3.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B2159 - Only field &1 of ext. structure &2 is set. Key &3. ?

  The SAP error message WB2B2159 indicates that there is an issue with the external structure in a business transaction, specifically that only one field of the external structure is set while others are expected to be populated. This error typically arises in the context of data transfer or integration scenarios, such as when working with IDocs, BAPIs, or other interfaces.
  
  Cause:
  The error occurs when:
  
  An external structure (like an IDoc or a data transfer structure) is expected to have multiple fields populated, but only one field is filled in.
  The system is trying to process a transaction or data transfer that requires more information than what has been provided.
  There may be a configuration issue, or the data being sent from the source system is incomplete.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Data Source: Ensure that the data being sent to SAP includes all the required fields for the external