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

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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

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