V-Ray - "Could not obtain a license (-98)"

Problem: The ActiveShade window displays a message "error: Could not obtain a license (-98)".

Cause: This error means that, while V-Ray RT successfully connected to the V-Ray license server, there are no licenses for V-Ray RT on it:

You may be using an older version of the V-Ray license server that does not support V-Ray RT licenses;

You may not have any licenses for V-Ray RT on the dongle attached to the machine where the license server is running.

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