How To Fix FDT_EXPRESSIONS642 - Aggregation selection is allowed only with transparent tables

FDT_EXPRESSIONS642 - Overview

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 642

• Message text: Aggregation selection is allowed only with transparent tables

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS642 - Aggregation selection is allowed only with transparent tables ?

  The SAP error message FDT_EXPRESSIONS642 indicates that there is an issue with the aggregation selection in your data model, specifically when working with non-transparent tables. This error typically arises in the context of SAP's Financial Data Management (FDM) or when using the SAP Fiori applications that involve data aggregation.
  
  Cause:
  The error occurs because aggregation operations (like SUM, AVG, etc.) are only permitted on transparent tables in SAP. Transparent tables are database tables that have a one-to-one relationship with the underlying database table. Non-transparent tables, such as pooled tables or cluster tables, do not support aggregation in the same way.
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Use Transparent Tables: Ensure that the data source you are trying to aggregate is a transparent table. If you are currently using a non-transparent table, you may need to switch to a transparent table that contains the necessary data.
  
  
  Modify Data Model: If you have