Message type: E = Error
Message class:  RSO_SEGR - Messages for TLOGO = SEGR  (Semantic Group of ADSOs) 
Message number: 248
Message text: Fields &1.&2 and &3.&4 have different types but have the same name
There are two fields with the same name but with different types in the
DataStore objects (advanced).
Since the fields have the same name, the system attempts to map both
fields to the same target field in the CompositeProvider.
This mapping is not possible due to the different types.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Please choose a different name for at least one of the fields.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message RSO_SEGR248 indicates that there is a conflict in the data model where two fields with the same name have been defined with different data types. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when working with InfoObjects, DataSources, or queries.
Cause: Field Name Conflict: The error arises when two fields in the same context (like an InfoProvider or a query) have the same name but are defined with different data types (e.g., one is a character type and the other is a numeric type). DataSource or InfoObject Changes: If there have been recent changes to DataSources or InfoObjects, such as modifications in the data type of a field, this can lead to inconsistencies. Inconsistent Metadata: The metadata in the system may not be synchronized, leading to discrepancies in how fields are interpreted.
Solution: Identify the Conflicting Fields: Check the error message details to identify the specific
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