How To Fix RMSL303 - You can only aggregate items in groups and not the groups themselves

RMSL303 - Overview

• Message type: E = Error

• Message class: RMSL - Labeling Application Messages

• Message number: 303

• Message text: You can only aggregate items in groups and not the groups themselves

Self-Explanatory Message

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RMSL303 - Details

• The SAP error message RMSL303, "You can only aggregate items in groups and not the groups themselves," typically occurs in the context of SAP Retail or SAP S/4HANA when working with reports or analyses that involve aggregating data. This error indicates that there is an attempt to aggregate group-level data rather than the individual items within those groups.
  
  Cause:
  The error arises when a user tries to perform an aggregation operation (like summing, averaging, etc.) on a group of items instead of on the individual items that make up that group. In SAP, aggregation functions are designed to work on the lowest level of detail (individual items) rather than on higher-level groupings.
  
  Solution:
  To resolve this error, you should ensure that your aggregation operation is applied to the individual items rather than the groups. Here are some steps you can take:
  
  
  Check Your Query/Report Configuration: Review the configuration of your report or query to ensure