Message type: E = Error
Message class:  RSO_SEGR - Messages for TLOGO = SEGR  (Semantic Group of ADSOs) 
Message number: 253
Message text: CompositeProvider '&1' will be updated because of added/removed members
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_SEGR253 indicates that a CompositeProvider in SAP BW (Business Warehouse) is being updated due to changes in its underlying InfoObjects or data sources. This typically occurs when members (such as characteristics or key figures) are added or removed from the CompositeProvider, which can affect the structure and data retrieval of the CompositeProvider.
Cause: Changes in Underlying Objects: The most common cause of this error is that the underlying InfoObjects or data sources that the CompositeProvider is based on have been modified. This could include adding or removing characteristics, key figures, or other elements. Data Model Changes: Changes in the data model, such as modifications to the InfoProviders or the relationships between them, can also trigger this message. Inconsistent Metadata: If there are inconsistencies in the metadata of the CompositeProvider due to changes in the underlying objects, the system will prompt an update.
Solution: Update the CompositeProvider: You need to update the CompositeProvider
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
RSO_SEGR252 Only CompositeProviders without joins can be used in a semantic group
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSO_SEGR251 CompositeProvider specified even though 'unset' flag is set
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSO_SEGR254 Remodelling of DataStore object '&1' is pending. Please execute first.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSO_SEGR255 CompositeProvider '&1' (M version) will be overwritten
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.