Message type: E = Error
Message class:  SEPMH_DG - EPM HANA DG - Messages 
Message number: 008
Message text: DB table '&1' is no EPM child table
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The SAP error message SEPMH_DG008 indicates that the specified database table (represented by &1) is not recognized as a child table of the EPM (Enterprise Performance Management) model. This error typically arises in the context of SAP applications that utilize EPM data models, such as SAP Analytics Cloud or SAP BusinessObjects.
Cause: Incorrect Table Reference: The table you are trying to access or manipulate is not defined as a child table in the EPM model. Model
Configuration Issues: The EPM model may not be properly configured to include the specified table as a child. Data Source Mismatch: The data source being used may not align with the expected structure of the EPM model. Version Compatibility: There may be compatibility issues between the version of the EPM model and the database schema.
Solution: Check Table Definition: Verify that the table you are referencing is indeed defined as a child table in the EPM model. You can do this
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