This message appears if the NASA-JPL Ephemeris file cannot be found on your system.
This file is used for all astronomical calculations as well as the calculation of many of the world's public holidays, and is an essential component of Q++Studio
Solution
Run the main application updater on the computer where this message appears. The updater will verify if you have all the necessary core system files installed on your system (and the correct version) and, if not, will automatically download it and install it for you.
Topic 177000, last updated on 22-Mar-2021