This message appears if there is a corrupted version of the NASA-JPL Ephemeris file 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 180980, last updated on 22-Mar-2021