How To Fix R8399 - Basis DataSource &1 for append DataSource &2 does not exist

R8399 - Overview

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 399

• Message text: Basis DataSource &1 for append DataSource &2 does not exist

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8399 - Basis DataSource &1 for append DataSource &2 does not exist ?

  The SAP error message R8399 indicates that there is an issue with a DataSource in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence). Specifically, the error message states that the Basis DataSource for the append DataSource does not exist. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  
  Missing Basis DataSource: The primary reason for this error is that the Basis DataSource (the original DataSource that the append DataSource is based on) does not exist in the system. This could happen if the Basis DataSource was deleted or not activated properly.
  
  
  Incorrect Configuration: The append DataSource may be incorrectly configured to point to a Basis DataSource that is not available or has been renamed.
  
  
  Transport Issues: If the DataSource was transported from one system to another (e.g., from development to production), there may have been issues during the transport process that caused the Basis DataSource to not