On 6 Jan 2018, at 00:52, Andres Mauricio Suarez Mantilla <anmsuarezma@unal.edu.co> wrote:Hi Everybody.I just installed Cactus and einsteintoolkit.th ran without any problem. However, I tried to run WaveDemo thorn and it showed some problems (please see the attached image).I really don't know how to fix such errors, so I hope you can help me with this.I appreciate your support.Pdta: I am working in LinuxMint 18.1 Serena.