How To Fix RSMSS_ANALYZER_MSG170 - Table &1 does not have a clustered primary key

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMSS_ANALYZER_MSG - Messages for RSMSS_ANALYZER

• Message number: 170

• Message text: Table &1 does not have a clustered primary key

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSMSS_ANALYZER_MSG170 - Table &1 does not have a clustered primary key ?

  The SAP error message RSMSS_ANALYZER_MSG170 indicates that a specific table (denoted as &1 in the error message) does not have a clustered primary key. This can occur in the context of SAP's data modeling and database management, particularly when working with SAP HANA or other database systems that require certain configurations for optimal performance.
  Cause:
  
  Missing Primary Key: The table in question does not have a primary key defined, which is essential for uniquely identifying records in the table.
  Clustered Index Requirement: In some database systems, especially in SAP HANA, a clustered primary key is required for certain operations, such as data modeling or performance optimization.
  Data Model Configuration: The error may arise during the configuration of data models, where the system expects a clustered primary key for efficient data retrieval and storage.
  
  Solution:
  
  
  Define a Primary Key:
  
  Go to the table definition in the SAP system.
  Define a primary key for the table if it does not exist. Ensure that the primary key consists of one or more columns that uniquely identify each record.
  
  
  
  Create a Clustered Index:
  
  If the primary key is already defined but not clustered, you may need to modify the table to create a clustered index.
  This can typically be done through the database management tools or SQL commands, depending on the database system in use.
  
  
  
  Check Data Model:
  
  Review the data model configuration to ensure that it aligns with the requirements of the database system.
  If you are using SAP HANA, ensure that the data model is optimized for performance, which may include defining clustered primary keys.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or the specific database documentation for guidelines on defining primary keys and indexes.
  Check for any specific requirements or best practices related to the version of SAP you are using.
  
  
  
  Testing:
  
  After making changes, test the table and the associated data model to ensure that the error is resolved and that the system behaves as expected.
  
  
  
  Related Information:
  
  SAP HANA: In SAP HANA, a clustered primary key is essential for performance optimization, as it determines how data is physically stored and accessed.
  Database Design Best Practices: Understanding database design principles, including normalization and indexing strategies, can help prevent such issues in the future.
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message, as SAP frequently releases updates that may address known issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support or consulting with a database administrator who has experience with SAP systems.