How To Fix AQ600 - Assignment is to first table of join

AQ600 - Overview

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 600

• Message text: Assignment is to first table of join

What causes this issue?

You attempted to link an additional table or define an additional field
in an InfoSet which uses a table join.
Although a table join contains several tables, a sequence of records
with the same structure is processed, i.e. there are no hierarchical
relationships between the individual tables. Therefore, an InfoSet
which uses a table join should be regarded as the same as an InfoSet
which directly reads a table.
All tables in the join are filled with values at the same time (when a
record is processed). Consequently, it is irrelevant to which table in
the join you assign the additional table or the additional field. For
technical reasons, the first table is always chosen.
Note that, in the case of a table join when formulating the WHERE
condition or sections of code, you can always access all fields of all
tables involved in the join.

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 AQ600 - Assignment is to first table of join ?

  The SAP error message AQ600, which states "Assignment is to first table of join," typically occurs in the context of ABAP programming or when working with database queries in SAP. This error indicates that there is an issue with how the join conditions are defined in your SQL query or ABAP code.
  
  Cause:
  The error usually arises due to one of the following reasons:
  
  Incorrect Join Condition: The join condition is not properly defined, or the assignment is being made to the first table in a join, which is not allowed in certain contexts.
  Ambiguous Field References: If fields from multiple tables are referenced without proper qualification, it can lead to confusion about which table the fields belong to.
  Improper Use of SELECT Statements: When using SELECT statements with joins, the assignment of fields must be done correctly to avoid this error.
  
  
  Solution:
  To resolve the AQ600 error, consider the following steps:
  
  
  Review Join Conditions: Ensure that the