Message type: E = Error
Message class:  RS2HANA_VIEW - HANA Views for BW Objects 
Message number: 175
Message text: &1: Hierarchy variable &2 of type 'Several Single Values' not supported.
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The SAP error message RS2HANA_VIEW175 indicates that there is an issue with a hierarchy variable in a query that is being executed against a HANA database. Specifically, the error states that a hierarchy variable of type "Several Single Values" is not supported. This typically occurs in the context of SAP BW (Business Warehouse) queries that are being executed in a HANA environment.
Cause: Hierarchy Variable Type: The error arises because the query is trying to use a hierarchy variable that is defined to accept multiple single values, but this type is not supported in the context of HANA views. HANA does not support certain types of variables that are available in traditional BW queries. Query Design: The query may have been designed with a hierarchy variable that is not compatible with the HANA database's capabilities. This can happen if the query was migrated from a non-HANA environment or if the variable was incorrectly
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