Message type: E = Error
Message class:  RSOBI_MF - Messages for SOBI Model Factory 
Message number: 228
Message text: Name &1 does not contain specified namespace &2; see long description
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 RSOBI_MF228 indicates that there is an issue with the namespace specified in a query or object definition. Specifically, it means that the name provided (represented by &1) does not belong to the specified namespace (represented by &2). This error typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when dealing with InfoObjects, queries, or other metadata objects.
Cause: Incorrect Namespace: The object name you are trying to access or manipulate does not exist in the specified namespace. This could be due to a typo in the name or the namespace. Object Deletion or Renaming: The object might have been deleted or renamed, leading to a mismatch between the expected name and the actual name in the system. Transport Issues: If the object was transported from one system to another, there might be inconsistencies in the namespaces between the source and target systems. Authorization Issues: Sometimes,
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
RSOBI_MF227 InfoObject &1 is not a basic characteristic
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSOBI_MF226 UUID characteristic &1 may not be compounded; see long text
What causes this issue?  The characteristic &V1& is a UUID characteristic. Such characteristics may not be compounded.System Response  The sys...
RSOBI_MF229 DataSource &1 has no key fields; refer to long text for more information
What causes this issue?  DataSource &V1& has no key fields. To generate a data flow, however, it must have key fields. This is given in the fo...
RSOBI_MF230 Object name not specified; see long description
What causes this issue?  The option for reusing an existing object was selected. However, the name of this object was not specified.System Response  T...
Click on this link to search all SAP messages.