PRVG-1561 : Setting ORA_CRS_HOME variable is not supported By Shadab Mohammad • Oct 28, 2015 • No comments While installing Oracle 12c on Linux you can get this error. The solution is very easy just unset the ORA_CRS_HOME environment variable and run the runInstaller again $ unset ORA_CRS_HOME Share this:Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on WhatsApp (Opens in new window) Category: Linux Tags: 12c • Error • Installation • Linux • ORA_CRS_HOME • Oracle 12c • PRVG-1561 • Unset