Message type: E = Error
Message class:  /IWBEP/SBUIOD -  
Message number: 022
Message text: Enter ABAP structure name
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/SBUIOD022 Enter ABAP structure name typically occurs in the context of SAP Gateway or OData services when a user is trying to create or modify an OData service and has not provided a valid ABAP structure name. This error indicates that the system expects an ABAP structure name to be entered, but it is either missing or invalid.
Cause: Missing Input: The user did not enter an ABAP structure name in the relevant field. Invalid Structure Name: The entered structure name does not exist in the system or is not accessible in the current context. Authorization Issues: The user may not have the necessary authorizations to access the specified structure. Technical Issues: There could be a technical issue with the system or the transaction being used.
Solution: Enter a Valid ABAP Structure Name: Ensure that you enter a valid ABAP structure name in the required field. You can check the available structures in
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/IWBEP/SBUIOD021 Type '&1' is not a data structure
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/SBUIOD020 Type '&1' does not exist
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/SBUIOD023 Enter object name
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/SBUIOD024 Fill in all required fields
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.