> However, I installed it before upgrading my Mac OS from Mojave 10.14.6 to > Catalina 10.15.7. > Do you think this could be the reason for the error?
I doubt it, but I am not that familiar with the OSX side of things. > but my xcode version is still version 10, do you think this matters? I also think that this doesn't matter and does not explain the error. > Processor: 2.9 GHz Dual-Core Intel Core i7 That must be a quite old machine and might explain the issues you have. If the current .dmg does not work, I fear you will need to install deal.II in a different way. See https://github.com/dealii/dealii/wiki/Getting-deal.II for some guidance. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/CAMRj59E_hvQX%2BQAe2_BV6Tp3hWyArTJ1c7RhcEXbQU7EUoSvvQ%40mail.gmail.com.