How To Fix AQ501 - Table & cannot be used in a join

AQ501 - Overview

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 501

• Message text: Table & cannot be used in a join

What causes this issue?

1. You cannot read the selected table with SELECT statements (because,
for example, it is a structure without a database table). Therefore,
this table cannot be read within a table join either.
2. The chosen table is a pool or cluster table. These tables may not be
used in a table 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 AQ501 - Table & cannot be used in a join ?

  The SAP error message AQ501 indicates that a specific table cannot be used in a join operation. This error typically arises when you attempt to join a table that is not allowed to be joined with another table in the context of the query you are executing. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Table Type: The table you are trying to join may be a cluster table or a pool table. These types of tables have specific restrictions regarding how they can be accessed and joined with other tables.
  Database Constraints: The database may have constraints that prevent certain tables from being joined due to their structure or the way they are defined in the data dictionary.
  Incorrect Join Syntax: There may be an issue with the SQL syntax used in the join statement, leading to the error.
  Authorization Issues: Lack of proper authorizations to access the tables