How To Fix AQV594 - Select two different tables

SAP Error Message - Details

• Message type: E = Error

• Message class: AQV - Message texts for SAP Query

• Message number: 594

• Message text: Select two different tables

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 AQV594 - Select two different tables ?

  The SAP error message AQV594, which states "Select two different tables," typically occurs in the context of data modeling or when working with queries in SAP systems, particularly in SAP BW (Business Warehouse) or SAP HANA environments. This error indicates that the user has attempted to select the same table twice in a join or a query, which is not allowed.
  Cause:
  
  Duplicate Table Selection: The most common cause of this error is that the user has inadvertently selected the same table more than once in a query or data model.
  Incorrect Join Configuration: If you are trying to create a join between tables, selecting the same table for both sides of the join will trigger this error.
  Modeling Errors: In data modeling tools, such as SAP BW or SAP HANA, the error can arise from incorrect configurations or selections in the data model.
  
  Solution:
  
  Review Table Selections: Go back to the query or data model where the error occurred and check the selected tables. Ensure that you are selecting two different tables.
  Modify Joins: If you are working with joins, ensure that you are joining different tables. If you need to reference the same table, consider using aliases or different instances of the table if supported.
  Check Data Model: In data modeling tools, verify the relationships and ensure that you are not trying to create a relationship with the same table.
  Consult Documentation: If you are unsure about the correct configuration, refer to SAP documentation or help resources for guidance on how to properly set up your query or data model.
  
  Related Information:
  
  SAP BW Documentation: Check the official SAP BW documentation for guidelines on creating queries and data models.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Notes: Look for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the AQV594 error and successfully create your query or data model in SAP.