How To Fix RSODSO_GUI018 - No semantical key field selected. Choose at least one field.

RSODSO_GUI018 - Overview

• Message type: E = Error

• Message class: RSODSO_GUI - UI related messages

• Message number: 018

• Message text: No semantical key field selected. Choose at least one field.

Self-Explanatory Message

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RSODSO_GUI018 - Details

• The SAP error message RSODSO_GUI018 indicates that when working with a DataStore Object (DSO) in SAP BW (Business Warehouse), no semantic key field has been selected. This is a common issue when trying to create or modify a DSO, particularly when defining the key fields that uniquely identify records in the DSO.
  
  Cause:
  The error occurs because:
  
  No Key Field Selected: The user has not selected any fields to serve as the semantic key for the DSO. A semantic key is essential for uniquely identifying records in the DSO.
  Incorrect Configuration: The DSO may not be properly configured, or the user may be in the wrong step of the configuration process.
  
  
  Solution:
  To resolve the error, follow these steps:
  
  
  Access the DSO Configuration:
  
  Go to the Data Warehousing Workbench (transaction code RSA1).
  Navigate to the DataStore Objects section and select the DSO you are working with.
  
  
  
  Select Key Fields:
  
  In the DSO definition, look for the section where you can define