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

RSDD444 - Overview

• 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

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 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