How To Fix /IWBEP/CM_PUBLISH_US001 - Subscription is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_PUBLISH_US -

• Message number: 001

• Message text: Subscription is not allowed

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/CM_PUBLISH_US001 - Subscription is not allowed ?

  The SAP error message /IWBEP/CM_PUBLISH_US001 Subscription is not allowed typically occurs in the context of SAP Gateway and OData services when there is an attempt to subscribe to an OData service that does not support subscriptions. This error is often encountered when working with SAP Cloud Platform or SAP Gateway services that are expected to handle real-time data updates.
  Cause:
  
  Service Configuration: The OData service you are trying to subscribe to may not be configured to support subscriptions. Subscriptions are typically used for services that provide real-time notifications or updates.
  Service Type: The service might be a read-only service or not designed for event-driven architecture, which means it does not support the subscription mechanism.
  Authorization Issues: There may be authorization issues preventing the subscription from being processed, although this is less common for this specific error message.
  
  Solution:
  
  Check Service Configuration: Verify the configuration of the OData service in the SAP Gateway. Ensure that the service is designed to support subscriptions. This may involve checking the service metadata and ensuring that the necessary annotations for subscriptions are present.
  Use a Different Service: If the current service does not support subscriptions, consider using a different OData service that is designed for event-driven scenarios or real-time updates.
  Review Documentation: Consult the SAP documentation for the specific OData service you are using to understand its capabilities and limitations regarding subscriptions.
  Implement a Custom Solution: If real-time updates are required and the existing service does not support subscriptions, you may need to implement a custom solution using SAP Event Mesh or other technologies that can handle event-driven architectures.
  Check Authorization: Ensure that the user or application trying to perform the subscription has the necessary authorizations to do so.
  
  Related Information:
  
  SAP Gateway: Understand the architecture and capabilities of SAP Gateway, especially in relation to OData services and their support for subscriptions.
  OData Protocol: Familiarize yourself with the OData protocol and how it handles subscriptions and notifications.
  SAP Event Mesh: Explore SAP Event Mesh as a potential solution for implementing event-driven architectures in your SAP landscape.
  
  If the issue persists after checking the above points, consider reaching out to SAP support or consulting with an SAP expert for further assistance.