How To Fix AQ500 - Only one link can be an outer join


AQ500 - Overview

  • Message type: E = Error

  • Message class: AQ - Message texts for SAP Query

  • Message number: 500

  • Message text: Only one link can be an outer join

  • Show details Hide details
  • What causes this issue?

    If more than two tables are involved in a table join, you can create a
    link with a left outer or a right outer join only once.

    System Response

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

    How to fix this error?


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message AQ500 - Only one link can be an outer join ?
    The SAP error message AQ500, which states "Only one link can be an outer join," typically occurs in the context of SQL queries or when working with database views in SAP. This error indicates that the query or view definition is attempting to use multiple outer joins, which is not allowed in certain contexts.
    
    Cause: The error arises when: You are trying to create a SQL query or a view that includes more than one outer join (LEFT JOIN or RIGHT JOIN) in a single query. The database system or the specific SQL dialect being used does not support multiple outer joins in the same query.
    Solution: To resolve the AQ500 error, you can consider the following approaches: Review the Query Structure: Check the SQL query or view definition to identify where multiple outer joins are being used. Ensure that only one outer join is present in the query. Use Subqueries: If you need to include multiple outer joins, consider breaking

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