SAP Knowledge Base Article - Public

2777129 - Protocol Error: Error [Protocol]: (#73) Forbidden Error [Protocol]: (#403) Forbidden using a live connection with CORS enabled in SAP Analytics Cloud


The following error occurs when trying to create a model or connecting to a model from a live data connection using CORS in SAP Analytics Cloud (SAC):

  • Protocol Error: Error [Protocol]: (#73) Forbidden Error [Protocol]: (#403) Forbidden
  • 503 Service Unavailable / 503 Service Not Available
  • 403 Forbidden

These errors also occur in the Chrome console log:

  • Uncaught (in promise) {status: 73, code: "FIREFLY_ERROR", message: "Protocol Error: Error [Protocol]: (#73) ForbiddenError [Protocol]: (#403) Forbidden", severity: 1, stack:
  • Failed to load resource: the server responded with a status of 401 (Unauthorized)

When attempting to access the GetResponse URL (i.e. https://SERVERNAME/sap/bc/ina/service/v2/GetResponse), this error occurs in the browser:

  • {"error":{"code":11,"message":"ina: Parameter 'Request' is missing."}}


  • SAP Analytics Cloud


Incorrect CORS configuration.


  1. Review step 7 Enable Cross-Origin Resource Sharing (CORS) Support of the SAP Analytics Cloud > Learning > Guided Playlists > SAP HANA instructions.
  2. Confirm these settings are enabled:

Allowed Methods: GET, HEAD, POST, OPTIONS

See Also

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SAP Analytics Cloud 1.0