Message type: E = Error
Message class: APS_CCV_CHECK - Custom CDS View check messages
Message number: 002
Message text: &1 cannot be used as primary data source. It has no key fields.
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APS_CCV_CHECK002
- &1 cannot be used as primary data source. It has no key fields. ?The SAP error message APS_CCV_CHECK002 indicates that a specific data source cannot be used as a primary data source because it lacks key fields. This error typically arises in the context of SAP Analytics Cloud (SAC) or SAP BW (Business Warehouse) when trying to create a model or a data connection that requires a unique identifier for each record.
Cause: Missing Key Fields: The data source you are trying to use does not have any fields defined as key fields. Key fields are essential for uniquely identifying records in a dataset. Data Source Configuration: The configuration of the data source may not have been set up correctly to include key fields. Data Model Requirements: The model you are trying to create or use may require at least one key field to function properly.
Solution: Check Data Source Definition: Go to the data source definition in SAP and ensure that there are fields defined as key fields. Key
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