How To Fix /IWFND/CM_MGW153 - Not authorized, notification sending failed

/IWFND/CM_MGW153 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 153

• Message text: Not authorized, notification sending failed

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.

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/IWFND/CM_MGW153 - Details

• The SAP error message /IWFND/CM_MGW153 Not authorized, notification sending failed typically occurs in the context of SAP Gateway and OData services. This error indicates that the user does not have the necessary authorizations to send notifications, which can be related to various components of the SAP system.
  
  Cause:
  
  Authorization Issues: The user executing the action does not have the required authorizations assigned in the SAP system. This could be due to missing roles or authorizations related to the specific OData service or the notification sending functionality.
  Service Configuration: The OData service may not be properly configured or activated in the SAP Gateway.
  User Role Assignment: The user might not be assigned to the correct roles that include the necessary permissions for the operation being attempted.
  
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after the error occurs to check for missing authorizations. This will show you the last authorization check that failed.
  Review the roles assigned to