How To Fix RSO_SEGR248 - Fields &1.&2 and &3.&4 have different types but have the same name

SAP Error Message - Details

• 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

What causes this issue?

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.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please choose a different name for at least one of the fields.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSO_SEGR248 - Fields &1.&2 and &3.&4 have different types but have the same name ?

  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 fields causing the conflict. The placeholders &1, &2, &3, and &4 will indicate the names and types of the conflicting fields.
  Review Data Model: Go to the relevant InfoObjects, DataSources, or queries and review the definitions of the fields. Ensure that fields with the same name have consistent data types.
  Rename Fields: If the fields serve different purposes and cannot be unified, consider renaming one of the fields to avoid the conflict.
  Adjust Data Types: If appropriate, adjust the data types of the fields to ensure they match. This may involve changing the data type in the InfoObject or DataSource definition.
  Re-activate Objects: After making changes, re-activate the affected InfoObjects, DataSources, or queries to ensure that the changes take effect.
  Check for Dependencies: Ensure that any dependent objects (like queries or reports) are also updated to reflect the changes made.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to SAP BW documentation for best practices on managing InfoObjects and DataSources, especially regarding naming conventions and data types.
  Testing: After resolving the issue, perform thorough testing to ensure that the changes do not introduce new issues in reports or data processing.
  
  By following these steps, you should be able to resolve the RSO_SEGR248 error and ensure that your SAP BW environment is functioning correctly.