Thanks Lawrence. -Beth On Apr 7, 2017, at 2:30 PM, Lawrence Mitchell <lawrence.mitchell@imperial.ac.uk<mailto:lawrence.mitchell@imperial.ac.uk>> wrote: On 7 Apr 2017, at 14:24, Wingate, Beth <B.Wingate@exeter.ac.uk<mailto:B.Wingate@exeter.ac.uk>> wrote: That worked. Should I run firedrake-update? No, it turns out this is a more difficult issue. Somehow the current version of Eigen which PETSc wants to download fails to install properly, which causes the error. I will report a bug upstream and get back to the list when things are likely to be working again. Cheers, Lawrence _______________________________________________ firedrake mailing list firedrake@imperial.ac.uk<mailto:firedrake@imperial.ac.uk> https://mailman.ic.ac.uk/mailman/listinfo/firedrake Beth Wingate b.wingate@exeter.ac.uk<mailto:b.wingate@exeter.ac.uk> The world is but a canvas to the imagination - Thoreau