How To Fix RSDD444 - '&1': Definition for aggregate is empty. It cannot be activated

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD - Message class for data manager

• Message number: 444

• Message text: '&1': Definition for aggregate is empty. It cannot be activated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD444 - '&1': Definition for aggregate is empty. It cannot be activated ?

  The SAP error message RSDD444 '&1': "Definition for aggregate is empty. It cannot be activated" typically occurs in the context of SAP BW (Business Warehouse) when you are trying to activate an aggregate that has not been properly defined. This error indicates that the aggregate definition lacks the necessary components or settings required for activation.
  Cause:
  
  Incomplete Definition: The aggregate may not have any characteristics or key figures defined, making it impossible to activate.
  Missing Data Source: The aggregate might be referencing a data source that is not properly configured or is missing.
  Incorrect Settings: There may be incorrect settings in the aggregate definition that prevent it from being activated.
  Transport Issues: If the aggregate was transported from another system, it might not have been fully configured in the target system.
  
  Solution:
  To resolve the RSDD444 error, you can follow these steps:
  
  
  Check Aggregate Definition:
  
  Go to the aggregate definition in the SAP BW system.
  Ensure that all necessary characteristics and key figures are included in the aggregate.
  Verify that the aggregate is based on a valid InfoCube.
  
  
  
  Review Data Source:
  
  Ensure that the data source for the aggregate is correctly defined and active.
  Check if the InfoObject used in the aggregate is active and has the necessary data.
  
  
  
  Adjust Settings:
  
  Review the settings of the aggregate to ensure they are correct.
  Make sure that the aggregate is not set to be empty or that it does not have any filters that would result in no data being available.
  
  
  
  Recreate the Aggregate:
  
  If the aggregate definition is too problematic, consider deleting the aggregate and recreating it from scratch with the correct settings.
  
  
  
  Transport Issues:
  
  If the aggregate was transported, check the transport logs for any errors or warnings.
  Ensure that all dependent objects are also transported and activated in the target system.
  
  
  
  Check for Notes:
  
  Look for any SAP Notes related to this error message. Sometimes, SAP releases notes that provide fixes or workarounds for specific issues.
  
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to access the aggregate definitions and check their status.
  Documentation: Refer to SAP Help documentation for more details on aggregates and their configuration.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to activate the aggregate successfully.