Message type: E = Error
Message class:  /IWBEP/SBDSP_UI -  
Message number: 037
Message text: Only import attributes can be selected
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 /IWBEP/SBDSP_UI037: Only import attributes can be selected typically occurs in the context of SAP Gateway or OData services when there is an issue with the selection of attributes in a data model or service definition. This error indicates that the system is expecting only import attributes to be selected, but the selection includes attributes that are not allowed.
Cause: Incorrect Attribute Selection: The error usually arises when you try to select attributes that are not defined as import attributes in the OData service or data model. Service Definition Issues: There may be a mismatch between the attributes defined in the service and those being requested in the query. Model Configuration: The data model may not be correctly configured to allow the selection of certain attributes.
Solution: Check Attribute Definitions: Review the OData service definition to ensure that the attributes you are trying to select are indeed defined as import attributes. You can
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/IWBEP/SBDSP_UI036 No attribute was selected
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/SBDSP_UI035 Only properties can be selected
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/SBDSP_UI038 Define range semantic for property &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/SBDSP_UI039 The return &1 &2 will automatically be handled at runtime
What causes this issue?  You are mapping a field from a return table of type BAPIRET2_T or a return structure of type BAPIRET2.System Response  Return...
Click on this link to search all SAP messages.