How To Fix RSDS351 - Remote subscription (&1) not possible because &2 has no primary key

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 351

• Message text: Remote subscription (&1) not possible because &2 has no primary key

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS351 - Remote subscription (&1) not possible because &2 has no primary key ?

  The SAP error message RSDS351 indicates that a remote subscription cannot be created because the target InfoProvider (denoted as &2 in the error message) does not have a primary key defined. This is a common issue when working with remote data sources in SAP BW (Business Warehouse) or SAP HANA.
  Cause:
  
  Missing Primary Key: The target InfoProvider (like a DataStore Object, InfoCube, or a HANA table) does not have a primary key defined. A primary key is essential for uniquely identifying records in a database table.
  Data Model Issues: The data model may not be correctly set up, leading to the absence of a primary key.
  Incompatible Data Sources: The source and target InfoProviders may not be compatible due to the lack of a primary key in the target.
  
  Solution:
  
  
  Define a Primary Key:
  
  Go to the target InfoProvider in the SAP BW or HANA modeling environment.
  Ensure that a primary key is defined. This usually involves selecting one or more fields that can uniquely identify each record in the table.
  If you are using a DataStore Object (DSO), ensure that the key fields are correctly set in the DSO settings.
  
  
  
  Check Data Model:
  
  Review the data model to ensure that all necessary fields are included and that the relationships between tables are correctly defined.
  If you are using a CompositeProvider or a Calculation View, ensure that the underlying InfoProviders have primary keys defined.
  
  
  
  Recreate the Remote Subscription:
  
  After defining the primary key, try to recreate the remote subscription. This should resolve the error if the primary key is correctly set.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific instructions on defining primary keys for your particular InfoProvider type.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Data Modeling Best Practices: Familiarize yourself with best practices for data modeling in SAP BW or HANA to avoid similar issues in the future.
  
  By ensuring that the target InfoProvider has a properly defined primary key, you should be able to resolve the RSDS351 error and successfully create the remote subscription.