How To Fix RSBO401 - Delta update has not been initialized yet

SAP Error Message - Details

• Message type: E = Error

• Message class: RSBO - Open Hub

• Message number: 401

• Message text: Delta update has not been initialized yet

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSBO401 - Delta update has not been initialized yet ?

  The SAP error message RSBO401: Delta update has not been initialized yet typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the delta update process for InfoProviders, particularly when working with DataSources. This error indicates that the delta mechanism has not been properly set up or initialized for the specific DataSource.
  Causes:
  
  Delta Initialization Not Performed: The delta initialization process has not been executed for the DataSource. This is necessary to set up the delta mechanism.
  DataSource Configuration Issues: The DataSource may not be correctly configured for delta updates.
  DataSource Not Activated: The DataSource might not be activated in the SAP BW system.
  Missing or Incorrect Delta Queue: The delta queue may not be populated or may have been cleared.
  Technical Issues: There could be underlying technical issues with the BW system or the source system.
  
  Solutions:
  
  
  Perform Delta Initialization:
  
  Go to the DataSource in the SAP BW system.
  Execute the delta initialization process. This can usually be done through the Data Warehousing Workbench (transaction RSA1) or using the DataSource maintenance transaction (transaction RSA2).
  Choose the option for "Delta Initialization" and follow the prompts to complete the process.
  
  
  
  Check DataSource Configuration:
  
  Ensure that the DataSource is correctly configured for delta updates. Check the settings in transaction RSA2.
  Verify that the delta method is set correctly (e.g., "Delta" instead of "Full").
  
  
  
  Activate the DataSource:
  
  If the DataSource is not activated, activate it in transaction RSA2.
  
  
  
  Check Delta Queue:
  
  Use transaction SMQ1 (for outbound queue) and SMQ2 (for inbound queue) to check the status of the delta queue.
  Ensure that there are no errors in the queue and that it is populated correctly.
  
  
  
  Recheck Source System:
  
  Ensure that the source system is functioning correctly and that there are no connectivity issues between the source and the BW system.
  
  
  
  Consult Logs:
  
  Check the logs for any additional error messages or warnings that might provide more context about the issue. You can use transaction SLG1 to view application logs.
  
  
  
  Related Information:
  
  Delta Initialization: This is a one-time process that sets up the delta mechanism for a DataSource. It typically involves loading a full dataset into the BW system, which then allows for subsequent delta loads.
  DataSource Types: Understand the difference between full loads and delta loads, and ensure that the DataSource is set up according to the business requirements.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to your version of SAP BW or the DataSource in question.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or BW team for further investigation.