<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> Dear Sirs, Am just a new Gate user and am using Vgate 7.2 , I'm trying to do the basic examples in the user guide but when I try to set a material "such as water "a fatal error message come out and the software rest any one can help? Thanks a lot Best regards M. Pharaon Nuclear Engineer <img src="https://avatars2.githubusercontent.com/u/28573914?v=3&s=88"><a href="https://github.com/Engpharaon"></a> </body> </html>