How To Fix NRSCNV156 - Characteristic &1 is already part of key fields

NRSCNV156 - Overview

• Message type: E = Error

• Message class: NRSCNV - Message class

• Message number: 156

• Message text: Characteristic &1 is already part of key 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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NRSCNV156 - Details

• The SAP error message NRSCNV156 indicates that a characteristic you are trying to add to a key field in a data model or InfoObject is already part of the key fields. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when you are trying to modify the structure of an InfoObject or a data model.
  
  Cause:
  The error arises when:
  
  You attempt to add a characteristic to the key fields of an InfoObject or a data model, but that characteristic is already defined as a key field.
  There is a conflict in the definition of key fields, which can happen during the modeling process or when trying to change the structure of an existing InfoObject.
  
  
  Solution:
  To resolve the NRSCNV156 error, you can take the following steps:
  
  
  Check Key Fields: Review the current key fields of the InfoObject or data model. Ensure that the characteristic you are trying to add is not