How To Fix RSRV045 - Dimension key &1 is not used

RSRV045 - Overview

• Message type: E = Error

• Message class: RSRV -

• Message number: 045

• Message text: Dimension key &1 is not used

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 RSRV045 - Dimension key &1 is not used ?

  The SAP error message RSRV045, which states "Dimension key &1 is not used," typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when working with InfoObjects, InfoCubes, or MultiProviders. This error indicates that a specific dimension key (identified by &1) is defined but not utilized in any of the data models or queries.
  
  Cause:
  
  Unused Dimension: The dimension key is defined in the data model but is not linked to any InfoCube, MultiProvider, or query.
  Data Model Changes: Changes in the data model, such as removing or deactivating certain dimensions, can lead to this error if the dimension is still defined but not used.
  Inconsistent Metadata: There may be inconsistencies in the metadata where the dimension is not properly associated with any data structure.
  
  
  Solution:
  
  Check Usage: Verify if the dimension key is indeed not used in any InfoCubes, MultiProviders, or queries. You can do this by checking the data model and