How To Fix /IWBEP/SBOD413 - Nullable and Collection flag must not be selected together

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 413

• Message text: Nullable and Collection flag must not be selected together

Self-Explanatory Message

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.

What else can you do?

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/SBOD413 - Nullable and Collection flag must not be selected together ?

  The SAP error message /IWBEP/SBOD413 Nullable and Collection flag must not be selected together typically occurs in the context of SAP Gateway and OData service development. This error indicates a conflict in the metadata definition of an entity type in your OData service, specifically regarding the properties of an entity.
  Cause:
  The error arises when you define a property in an OData entity type with both the "Nullable" and "Collection" flags set to true. In OData, a property cannot be both a collection (which implies it can hold multiple values) and nullable (which implies it can hold a single null value). This creates a logical inconsistency, as a collection cannot be null in the same way a single value can be.
  Solution:
  To resolve this error, you need to review the entity type definition in your OData service and ensure that the properties are defined correctly. Here are the steps to fix the issue:
  
  
  Open the Data Model: Access the data model where the entity type is defined.
  
  
  Check Property Definitions: Look for the property that is causing the error. You need to check its attributes.
  
  
  Adjust Flags:
  
  If the property is intended to be a collection (e.g., an array of values), ensure that the "Collection" flag is set to true and the "Nullable" flag is set to false.
  If the property is intended to be a single value that can be null, set the "Nullable" flag to true and ensure that the "Collection" flag is set to false.
  
  
  
  Save and Activate: After making the necessary changes, save the data model and activate the OData service.
  
  
  Test the Service: After activation, test the OData service to ensure that the error is resolved and that the service behaves as expected.
  
  
  Related Information:
  
  OData Specification: Understanding the OData protocol and its specifications can help clarify how properties should be defined. The OData V4 specification outlines the rules for defining entity types and their properties.
  SAP Gateway: Familiarize yourself with SAP Gateway concepts, as this error is specific to the development of OData services within the SAP ecosystem.
  Debugging Tools: Use transaction codes like /IWFND/MAINT_SERVICE to manage and maintain your OData services, and /IWBEP/REG_SERVICE to register and check the status of your services.
  
  By following these steps, you should be able to resolve the error and ensure that your OData service is correctly defined.