How To Fix RSQBW428 - InfoObject &1 may not be used to derive a key date

SAP Error Message - Details

• Message type: E = Error

• Message class: RSQBW -

• Message number: 428

• Message text: InfoObject &1 may not be used to derive a key date

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSQBW428 - InfoObject &1 may not be used to derive a key date ?

  The SAP error message RSQBW428 indicates that the InfoObject specified (denoted as &1) cannot be used to derive a key date in the context of a query or data extraction process. This error typically arises in the context of SAP BW (Business Warehouse) when working with queries, data models, or InfoProviders.
  Cause:
  The error can occur due to several reasons:
  
  Incompatible InfoObject: The InfoObject you are trying to use for deriving a key date may not be defined as a time characteristic or may not have the necessary attributes to serve as a key date.
  Missing Time Characteristics: The InfoObject may not be linked to a time dimension or may not have the required time attributes set up correctly.
  Query Design Issues: The query may be incorrectly designed, where the InfoObject is being used in a context that does not support key date derivation.
  Data Model Configuration: There may be issues in the configuration of the data model or InfoProvider that prevent the InfoObject from being used as intended.
  
  Solution:
  To resolve the RSQBW428 error, you can take the following steps:
  
  
  Check InfoObject Definition:
  
  Go to the InfoObject maintenance transaction (e.g., RSA1) and verify the properties of the InfoObject. Ensure that it is defined as a time characteristic if it is intended to be used for key date derivation.
  
  
  
  Review Query Design:
  
  Open the query in the Query Designer and check how the InfoObject is being used. Ensure that it is placed in the correct context and that it is not being used in a way that conflicts with its intended purpose.
  
  
  
  Adjust Key Date Settings:
  
  If the InfoObject is meant to derive a key date, ensure that the settings for key date derivation are correctly configured in the query properties.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to InfoObjects and key date derivation to ensure compliance with best practices.
  
  
  
  Test with Different InfoObjects:
  
  If possible, try using a different InfoObject that is known to work for key date derivation to see if the issue persists.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as there may be bug fixes or enhancements related to this issue.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to RSQBW428 or the InfoObject in question. SAP Notes often provide insights into known issues and their resolutions.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Training and Documentation: Consider reviewing training materials or documentation on SAP BW query design and InfoObject management to enhance your understanding of the system.
  
  By following these steps, you should be able to identify the root cause of the RSQBW428 error and implement a suitable solution.