How To Fix RSOS_SEARCH028 - Database field name &1 is not unique

RSOS_SEARCH028 - Overview

• Message type: E = Error

• Message class: RSOS_SEARCH -

• Message number: 028

• Message text: Database field name &1 is not unique

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSOS_SEARCH028 - Database field name &1 is not unique ?

  The SAP error message RSOS_SEARCH028 indicates that there is a problem with the uniqueness of a database field name in the context of a query or report. This error typically arises when the system encounters multiple fields with the same name in the data source being queried, which can lead to ambiguity in data retrieval.
  
  Cause:
  
  Duplicate Field Names: The most common cause of this error is that the data source (like a table or view) contains multiple fields with the same name. This can happen if there are joins between tables that have overlapping field names.
  Incorrect Query Design: If a query is designed to pull data from multiple tables without proper aliasing or qualification of field names, it can lead to this error.
  Data Source Changes: Changes in the underlying data model, such as adding new fields or modifying existing ones, can also lead to this issue if the query is not