Message type: E = Error
Message class:  RSDODSO - Messages for ODS Objects 
Message number: 177
Message text: Index &1 contains InfoObject &2 but not the higher-level &3
The InfoObject &V2& is compounded with the InfoObject &V3&. Since the
values of the InfoObject &V2& are always interpreted together with the
values of the InfoObject &V3&, the superior InfoObject &V3& should be
included in the index &V1&.
This is only a warning- The DataStore object can still be activated.
Include the InfoObject &V3& in the Index &V1&.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message RSDODSO177 indicates that there is an issue with the data structure of an InfoObject in a DataStore Object (DSO) or an InfoProvider. Specifically, it suggests that the index for a certain InfoObject contains a reference to an InfoObject that is not properly linked to its higher-level InfoObject. This typically occurs in scenarios where there are hierarchies or dependencies between InfoObjects.
Cause: Missing Hierarchical Relationship: The error usually arises when the InfoObject (e.g., a characteristic) is expected to have a higher-level InfoObject (e.g., a parent characteristic) that is not present in the index. Data Model Changes: Changes in the data model, such as the deletion or modification of InfoObjects or their hierarchies, can lead to inconsistencies. Incorrect Data Loading: If data is loaded into the DSO without the necessary relationships being established, this error can occur.
Solution: Check Hierarchies: Verify that the InfoObject &2 has the correct higher-level InfoObject &3 defined in the
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