Message type: E = Error
Message class:  RSO_SEGR - Messages for TLOGO = SEGR  (Semantic Group of ADSOs) 
Message number: 009
Message text: M and A version of Semantic Group '&1' are different
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 RSO_SEGR009 indicates that there is a mismatch between the M (Master) version and the A (Active) version of a Semantic Group in SAP BW (Business Warehouse). This typically occurs when there are inconsistencies in the data model or when changes have been made to the Semantic Group that have not been properly synchronized.
Cause: Version Mismatch: The Master version (M) and the Active version (A) of the Semantic Group are not aligned. This can happen if changes were made to one version without corresponding updates to the other. Transport Issues: If the Semantic Group was transported from one system to another (e.g., from development to production), there may be inconsistencies if the transport was not executed correctly. Manual Changes: Manual changes made directly in the BW system can lead to discrepancies between the versions. Data Model Changes: Changes in the underlying data model (like InfoObjects, InfoProviders, etc.) that are not reflected
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
RSO_SEGR008 Illegal object version: &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSO_SEGR007 Semantic Groups are only supported on SAP Hana: &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSO_SEGR010 Save Semantic Group '&1'
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSO_SEGR011 Semantic Group '&1' saved
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.