Message type: E = Error
Message class:  /IWBEP/SBOD -  
Message number: 408
Message text: Invalid Partner '&1&2&3'
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/SBOD408 Invalid Partner '&1&2&3' typically occurs in the context of SAP Gateway or OData services when there is an issue with the partner information being processed. This error indicates that the system is unable to recognize or validate the partner specified in the request. Causes: Invalid Partner ID: The partner ID provided in the request may not exist in the system or may be incorrectly formatted. Authorization Issues: The user or service account may not have the necessary authorizations to access the specified partner. Data Inconsistency: There may be inconsistencies in the master data related to the partner, such as missing or incorrect entries.
Configuration Issues: The configuration settings for the OData service or the underlying business logic may not be set up correctly. Service Endpoint Issues: The service endpoint being called may not be correctly configured to handle the partner information. Solutions: Verify Partner ID: Check the partner ID being used in the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/IWBEP/SBOD407 Entity Type '&1&2&3' is not mapped to any ABAP 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/SBOD406 Invalid name '&1&2&3'
What causes this issue?  The name must not exceed 128 characters and must start with either an alphabet or '_'. Special characters except ...
/IWBEP/SBOD409 Property Path must not be initial
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/SBOD410 Referenced Property Path must not be initial
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.