How To Fix RSOBI_MF222 - Main field not uniquely defined; see long text

RSOBI_MF222 - Overview

• Message type: E = Error

• Message class: RSOBI_MF - Messages for SOBI Model Factory

• Message number: 222

• Message text: Main field not uniquely defined; see long text

What causes this issue?

You tried to define the field of the DataSource that corresponds
semantically to the InfoObject. More than one candidate was found that
suits this role.
Before that, an attempt was made to identify the following fields:
Language key
Short, medium and long text
Fields for upper and lower limits of the date for time-dependent texts
Remaining fields of the DataSource are assigned to the InfoObject. If
more than one field is found here, this warning is output.

System Response

The first suitable field is assigned to the InfoObject.

How to fix this error?

Check if the field corresponds to the InfoObject. If necessary, adjust
the InfoObject that was created or re-used.

Procedure for System Administrators

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.

RSOBI_MF222 - Details

• The SAP error message RSOBI_MF222, which states "Main field not uniquely defined; see long text," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with the data model or the way fields are defined in a query or InfoProvider.
  
  Cause:
  
  
  Ambiguous Field Definitions: The error usually arises when there are multiple fields that could be interpreted as the "main field" in a query or data model. This can happen if there are multiple characteristics or key figures that are not clearly defined or if there are conflicting definitions in the data model.
  
  
  Incorrect Query Design: If a query is designed in such a way that it does not clearly specify which field should be used as the main field, this error can occur.
  
  
  Data Model Changes: Changes in the underlying data model, such as adding or modifying InfoObjects, can lead to ambiguity if