How To Fix RSHDB103 - Unexpected error: &1 has no primary key

SAP Error Message - Details

• Message type: E = Error

• Message class: RSHDB - Messages in RSHDB

• Message number: 103

• Message text: Unexpected error: &1 has no 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSHDB103 - Unexpected error: &1 has no primary key ?

  The SAP error message RSHDB103: Unexpected error: &1 has no primary key typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when trying to access or manipulate a database table or InfoObject that does not have a defined primary key. This can lead to issues in data retrieval, reporting, or data modeling.
  Cause:
  
  Missing Primary Key: The most common cause of this error is that the database table or InfoObject being referenced does not have a primary key defined. A primary key is essential for uniquely identifying records in a database table.
  Data Model Issues: If you are working with a data model that relies on certain keys for joins or lookups, the absence of a primary key can lead to unexpected behavior.
  Incorrect Configuration: Sometimes, the configuration of the InfoObject or the underlying database table may be incorrect or incomplete, leading to this error.
  
  Solution:
  
  
  Define a Primary Key:
  
  If you have access to the database or InfoObject definition, ensure that a primary key is defined. This can usually be done in the Data Dictionary (SE11) for database tables or in the InfoObject maintenance (RSD1) for BW objects.
  For InfoObjects, you can define a characteristic as a key by marking it as a "Key" in the InfoObject definition.
  
  
  
  Check Data Model:
  
  Review the data model to ensure that all necessary keys are defined and that relationships between tables or InfoObjects are correctly established.
  If you are using CompositeProviders or other modeling tools, ensure that the underlying data sources have the necessary keys.
  
  
  
  Re-activate Objects:
  
  After making changes, re-activate the InfoObjects or data models to ensure that the changes take effect.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of SAP you are using, as there may be version-specific considerations or patches that address this issue.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known issues related to this error.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  Documentation: Review the SAP BW or HANA documentation for best practices on defining primary keys and managing data models.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.