How To Fix AQQIS_CNTRL017 - Note change in join types

AQQIS_CNTRL017 - Overview

• Message type: E = Error

• Message class: AQQIS_CNTRL - Join-Control InfoSet

• Message number: 017

• Message text: Note change in join types

What causes this issue?

Changing the tables hierarchy resulted in an adjustment of the join
conditions.

System Response

Some join conditions were converted: from left-outer to inner join or
inner to left-outer join.
The resulting join conditions are now consistent.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

AQQIS_CNTRL017 - Details

• The SAP error message AQQIS_CNTRL017, which states "Note change in join types," typically occurs in the context of SAP Query or SAP BW (Business Warehouse) when there is an issue with the way joins are defined in a query or report. This error indicates that there is a mismatch or inconsistency in the join types used in the query definition.
  
  Cause:
  
  Join Type Mismatch: The error often arises when there is a change in the underlying data model, such as a change in the join type (e.g., from inner join to outer join) that is not reflected in the query definition.
  Data Source Changes: If the data source has been modified (e.g., tables or views have been altered), it may lead to inconsistencies in how the joins are defined.
  Query Definition Issues: The query may have been defined with incompatible join types, or there may be a logical error in how the joins are