How To Fix GEF_CORE_MSG049 - Callback is not supported. For cross site requests, CORS is recommended.

GEF_CORE_MSG049 - Overview

• Message type: E = Error

• Message class: GEF_CORE_MSG - Message class for GEF core

• Message number: 049

• Message text: Callback is not supported. For cross site requests, CORS is recommended.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message GEF_CORE_MSG049 - Callback is not supported. For cross site requests, CORS is recommended. ?

  The SAP error message GEF_CORE_MSG049 indicates that a callback is not supported for cross-site requests, and it suggests using CORS (Cross-Origin Resource Sharing) as a solution. This error typically arises in scenarios where a web application is trying to make requests to a different domain, protocol, or port than the one from which it was served.
  
  Cause:
  
  Cross-Origin Requests: The error occurs when a web application attempts to make a request to a different origin (domain, protocol, or port) without the proper CORS configuration.
  Callback Mechanism: The application may be trying to use a callback function that is not supported in the context of cross-origin requests.
  Security Restrictions: Browsers enforce the Same-Origin Policy for security reasons, which restricts how a document or script loaded from one origin can interact with resources from another origin.
  
  
  Solution:
  To resolve this error, you can implement CORS in your SAP application. Here are the steps to do so:
  
  
  Enable CORS on