How To Fix CM_SUB_INFOSYS021 - Manual reductions will be lost in the query

CM_SUB_INFOSYS021 - Overview

• Message type: E = Error

• Message class: CM_SUB_INFOSYS - Substance information system

• Message number: 021

• Message text: Manual reductions will be lost in the query

What causes this issue?

During your search, you have performed a manual reduction of sets of
hits and now you want to store the search history as a query. However,
in queries, you cannot perform manual reductions.

System Response

The system deletes all steps with manual reductions. You can save all
remaining steps as queries.
<ZH>Caution:</>
Deleting the manual reductions distorts the search result. The amount
of results is however always increased and never decreased.

How to fix this error?

On the following screen, you can save the query without manual
reduction, or cancel the saving of queries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_SUB_INFOSYS021 - Manual reductions will be lost in the query ?

  The SAP error message CM_SUB_INFOSYS021 indicates that manual reductions made in a query will be lost. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when users are working with queries in the BEx (Business Explorer) Analyzer or similar reporting tools.
  
  Cause:
  The error message is triggered when:
  
  Manual Reductions: Users have applied manual reductions (filters) to a query, but the query is being executed in a way that does not retain these manual changes.
  Query Design: The query might be designed in such a way that it does not support retaining manual reductions, or the settings in the query properties do not allow for this.
  Data Source Changes: If the underlying data source or InfoProvider has been changed or updated, it may lead to the loss of manual reductions.
  
  
  Solution:
  To resolve this issue, consider the following steps:
  
  
  Save Query Changes: If you want to keep the manual reductions, ensure