Adobe Classic Sandbox error

[jc49227835]

I am trying to access the Adobe Sandbox but I am getting the following error

INT-150012 The HTTP query returned a 'Forbidden' type error (403)

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XSV-350008 Session has expired or is invalid. Please reconnect.

[shrawans3153003 · Accepted solution]

Please check if the public IP through which you are trying to connect is white-listed on the instance.