How To Fix NRSCNV157 - Characteristic &1 is already part of data fields

SAP Error Message - Details

• Message type: E = Error

• Message class: NRSCNV - Message class

• Message number: 157

• Message text: Characteristic &1 is already part of data fields

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 NRSCNV157 - Characteristic &1 is already part of data fields ?

  The SAP error message NRSCNV157 indicates that a characteristic you are trying to use is already included in the data fields of the InfoObject or data structure you are working with. This typically occurs during the process of data modeling or when you are trying to create or modify InfoObjects, DataSources, or InfoProviders in SAP BW (Business Warehouse).
  Cause:
  
  Duplicate Characteristic: The characteristic you are trying to add is already defined in the data structure or InfoObject.
  Incorrect Data Model Configuration: There may be a misconfiguration in your data model where the same characteristic is being referenced multiple times.
  Data Source Issues: If you are working with a DataSource, it might be that the characteristic is already included in the DataSource definition.
  
  Solution:
  
  Check Existing Characteristics: Review the existing characteristics in the InfoObject or data structure to confirm if the characteristic is already present. If it is, you do not need to add it again.
  Modify Instead of Add: If you need to change the properties of the existing characteristic, consider modifying it instead of trying to add it again.
  Remove Duplicates: If you find that the characteristic is duplicated in your data model, remove the duplicate entry.
  Review DataSource Configuration: If applicable, check the DataSource configuration to ensure that the characteristic is not already included.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing characteristics and InfoObjects.
  
  Related Information:
  
  SAP BW Documentation: Look for SAP BW documentation that covers InfoObjects, DataSources, and data modeling best practices.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) for managing InfoObjects and DataSources.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP BW expert for further assistance.