How To Fix RSQBW028 - Missing Reference Field from: &1 (&2) of the InfoProvider &3 (&4)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSQBW -

• Message number: 028

• Message text: Missing Reference Field from: &1 (&2) of the InfoProvider &3 (&4)

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 RSQBW028 - Missing Reference Field from: &1 (&2) of the InfoProvider &3 (&4) ?

  The SAP error message RSQBW028 indicates that there is a missing reference field in a query or InfoProvider. This typically occurs when a field that is expected to be present in the data model is not available, which can lead to issues when executing queries or reports.
  Cause:
  
  Field Deletion: The field may have been deleted from the InfoProvider or the underlying data model.
  Field Not Activated: The field might not be activated in the InfoProvider or the data source.
  Data Source Changes: Changes in the data source (like a change in the structure of the underlying database table) that are not reflected in the InfoProvider.
  Query Definition Issues: The query definition may reference a field that is not part of the InfoProvider or has been renamed.
  Transport Issues: If the InfoProvider or query was transported from one system to another, there may be inconsistencies in the data model.
  
  Solution:
  
  Check InfoProvider Structure: Verify the structure of the InfoProvider to ensure that the referenced field exists. You can do this by navigating to the InfoProvider in the SAP BW modeling tools.
  Activate the InfoProvider: If the field is present but not activated, activate the InfoProvider to ensure all fields are available.
  Update Query Definition: If the field has been renamed or deleted, update the query definition to remove or replace the missing field.
  Rebuild the Query: If necessary, rebuild the query from scratch to ensure that it aligns with the current structure of the InfoProvider.
  Check Transport Logs: If the issue arose after a transport, check the transport logs for any errors or warnings that might indicate problems with the data model.
  Consult Documentation: Review any documentation related to changes made to the InfoProvider or query to understand the context of the missing field.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to access InfoProviders and queries.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  BW Modeling Tools: Utilize BW Modeling Tools in Eclipse for a more modern interface to manage InfoProviders and queries.
  Testing: After making changes, test the query to ensure that it runs without errors.
  
  By following these steps, you should be able to identify the cause of the RSQBW028 error and implement a solution to resolve it.