Message type: E = Error
Message class:  RSO_RES_ADSO - Datastore Object 
Message number: 173
Message text: No source characteristic for time derivation
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The SAP error message RSO_RES_ADSO173 indicates that there is an issue with the time derivation in the context of an Advanced DataStore Object (ADSO) in SAP BW/4HANA or SAP BW on HANA. This error typically arises when the system cannot find a source characteristic that is required for the time derivation process.
Cause: The error can occur due to several reasons: Missing Time Characteristic: The time characteristic (e.g., calendar year, month, day) that is needed for the time derivation is not defined in the ADSO or is not mapped correctly. Incorrect Data Model: The data model may not be set up correctly, leading to missing relationships or mappings between the source and target characteristics. Transformation Issues: There may be issues in the transformation rules that are supposed to derive the time characteristic from the source data. Data Source Configuration: The data source from which the ADSO is pulling data may not have the necessary time characteristics
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