Message type: E = Error
Message class:  /IWBEP/CM_MGW_RT -  
Message number: 187
Message text: Content referencing is only allowed for changeset at once
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The SAP error message /IWBEP/CM_MGW_RT187 indicates that there is an issue with the way content referencing is being handled in an OData service. This error typically occurs when you are trying to reference content in a way that is not allowed by the OData protocol, particularly when dealing with changesets.
Cause: The error message suggests that the operation you are trying to perform involves content referencing, but it is not being done within the context of a changeset. In OData, a changeset is a way to group multiple operations (like create, update, or delete) into a single transaction. Content referencing allows you to reference an entity or a property in a way that is dependent on the context of a changeset.
Solution: To resolve this error, you should ensure that: Use Changesets Appropriately: If you are trying to perform multiple operations that involve content referencing, make sure that these operations are wrapped in a changeset.
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