How To Fix RSOBI_MF163 - DataSource &1 has no key fields; refer to long text for more information

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOBI_MF - Messages for SOBI Model Factory

• Message number: 163

• Message text: DataSource &1 has no key fields; refer to long text for more information

What causes this issue?

The DataSource &V1& is a flow data DataSource. The key fields and data
fields of a DataStore object are derived using the key fields of a
DataSource.

System Response

The model generation process is terminated.

How to fix this error?

You can execute the key information for the DataSource at a later time o
r date. You can then restart the model generation process. The previousl
y not generated objects are now created.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSOBI_MF163 - DataSource &1 has no key fields; refer to long text for more information ?

  The SAP error message RSOBI_MF163 indicates that a DataSource does not have any key fields defined. This can occur in the context of SAP BW (Business Warehouse) when you are trying to create or use a DataSource that lacks the necessary key fields for data extraction or reporting.
  Cause:
  
  Missing Key Fields: The DataSource you are trying to use does not have any key fields defined. Key fields are essential for uniquely identifying records in the DataSource.
  Incorrect Configuration: The DataSource may not have been configured correctly during its creation or modification.
  DataSource Type: Some types of DataSources inherently require key fields, and if they are not defined, this error will occur.
  
  Solution:
  
  
  Check DataSource Configuration:
  
  Go to the DataSource in the SAP BW system (transaction code RSA1).
  Check the definition of the DataSource to ensure that key fields are defined.
  If key fields are missing, you will need to add them.
  
  
  
  Define Key Fields:
  
  In the DataSource maintenance screen, navigate to the "Fields" tab.
  Identify the fields that should serve as key fields and mark them as such.
  Save your changes.
  
  
  
  Re-activate the DataSource:
  
  After making changes, you may need to re-activate the DataSource to ensure that the changes take effect.
  
  
  
  Check for Dependencies:
  
  If the DataSource is based on a table or view, ensure that the underlying structure also has the necessary key fields defined.
  
  
  
  Refer to Long Text:
  
  The error message suggests referring to the long text for more information. You can do this by clicking on the message or using transaction code SE91 to look up the message for additional context.
  
  
  
  Related Information:
  
  Key Fields in DataSources: Key fields are crucial for data integrity and performance in data extraction processes. They help in uniquely identifying records and are often used in joins and lookups.
  DataSource Types: Different types of DataSources (e.g., generic DataSources, SAP source systems) may have different requirements for key fields.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. Sometimes, there may be patches or updates that address specific issues with DataSources.
  
  By following these steps, you should be able to resolve the RSOBI_MF163 error and ensure that your DataSource is properly configured for use in SAP BW.