Message type: E = Error
Message class:  RSDSO_ROLLBACK -  
Message number: 009
Message text: Unable to delete DataStore object &1
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.
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.
The SAP error message RSDSO_ROLLBACK009 indicates that there was an issue when trying to delete a DataStore Object (DSO) in SAP BW (Business Warehouse). This error typically occurs due to various reasons, such as dependencies on the DSO, active requests, or issues with the underlying database. Causes: Active Requests: There may be active data requests or data loads that are still using the DSO, preventing its deletion. Dependencies: The DSO might be linked to other objects, such as InfoProviders, queries, or transformations, which need to be removed or deactivated first. Database Locks: There could be locks on the database level that are preventing the deletion of the DSO. Authorization Issues: The user attempting to delete the DSO may not have the necessary authorizations to perform this action. Technical Issues: There may be underlying technical issues with the SAP system or database that are causing the error. Solutions: Check Active Requests: Go to the Data Warehousing Workbench and check
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
RSDSO_ROLLBACK008 Deletion finished
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSDSO_ROLLBACK007 Starting data deletion...
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSDSO_ROLLBACK010 Starting content deletion...
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSDSO_ROLLBACK011 Starting selective deletion...
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.